13712739 has 8 divisors (see below), whose sum is σ = 18583632. Its totient is φ = 8991840.

The previous prime is 13712731. The next prime is 13712747. The reversal of 13712739 is 93721731.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (13712731) and next prime (13712747).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13712739 - 2³ = 13712731 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13712731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37284 + ... + 37649.

It is an arithmetic number, because the mean of its divisors is an integer number (2322954).

Almost surely, 2^13712739 is an apocalyptic number.

13712739 is a deficient number, since it is larger than the sum of its proper divisors (4870893).

13712739 is an equidigital number, since it uses as much as digits as its factorization.

13712739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74997.

The product of its digits is 7938, while the sum is 33.

The square root of 13712739 is about 3703.0715629056. The cubic root of 13712739 is about 239.3543933296.

The spelling of 13712739 in words is "thirteen million, seven hundred twelve thousand, seven hundred thirty-nine".