13959713 has 4 divisors (see below), whose sum is σ = 14069760. Its totient is φ = 13849668.

The previous prime is 13959709. The next prime is 13959719. The reversal of 13959713 is 31795931.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13959713 - 2² = 13959709 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13959719) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54833 + ... + 55086.

It is an arithmetic number, because the mean of its divisors is an integer number (3517440).

Almost surely, 2^13959713 is an apocalyptic number.

It is an amenable number.

13959713 is a deficient number, since it is larger than the sum of its proper divisors (110047).

13959713 is a wasteful number, since it uses less digits than its factorization.

13959713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110046.

The product of its digits is 25515, while the sum is 38.

The square root of 13959713 is about 3736.2699313620. The cubic root of 13959713 is about 240.7828200180.

The spelling of 13959713 in words is "thirteen million, nine hundred fifty-nine thousand, seven hundred thirteen".