# 12739

## 12,739 is a prime number. Like all primes greater than two, it is odd and has no factors apart from itself and one.

What does the number 12739 look like?

As a prime, it is not composed of any other numbers and has no internal structure.

12739 is a prime number. Like all primes (except two), it is an odd number.

## Prime factorization of 12739:

### 12739

See below for interesting mathematical facts about the number 12739 from the Numbermatics database.

### Names of 12739

• Cardinal: 12739 can be written as Twelve thousand, seven hundred thirty-nine.

### Scientific notation

• Scientific notation: 1.2739 × 104

### Factors of 12739

• Number of distinct prime factors ω(n): 1
• Total number of prime factors Ω(n): 1
• Sum of prime factors: 12739

### Divisors of 12739

• Number of divisors d(n): 2
• Complete list of divisors:
• Sum of all divisors σ(n): 12740
• Sum of proper divisors (its aliquot sum) s(n): 1
• 12739 is a deficient number, because the sum of its proper divisors (1) is less than itself. Its deficiency is 12738

### Bases of 12739

• Binary: 110001110000112
• Base-36: 9TV

### Squares and roots of 12739

• 12739 squared (127392) is 162282121
• 12739 cubed (127393) is 2067311939419
• The square root of 12739 is 112.8671785773
• The cube root of 12739 is 23.3549233275

### Scales and comparisons

How big is 12739?
• 12,739 seconds is equal to 3 hours, 32 minutes, 19 seconds.
• To count from 1 to 12,739 would take you about three hours.

This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 12739 cubic inches would be around 1.9 feet tall.

### Recreational maths with 12739

• 12739 backwards is 93721
• The number of decimal digits it has is: 5
• The sum of 12739's digits is 22
• More coming soon!