13996931 has 8 divisors (see below), whose sum is σ = 15104544. Its totient is φ = 12893760.

The previous prime is 13996921. The next prime is 13996943. The reversal of 13996931 is 13969931.

13996931 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 13996931 - 2²² = 9802627 is a prime.

It is a super-2 number, since 2×13996931² = 391828154837522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13996921) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8711 + ... + 10191.

It is an arithmetic number, because the mean of its divisors is an integer number (1888068).

Almost surely, 2^13996931 is an apocalyptic number.

13996931 is a deficient number, since it is larger than the sum of its proper divisors (1107613).

13996931 is a wasteful number, since it uses less digits than its factorization.

13996931 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2221.

The product of its digits is 39366, while the sum is 41.

The square root of 13996931 is about 3741.2472519201. The cubic root of 13996931 is about 240.9966138767.

Subtracting from 13996931 its reverse (13969931), we obtain a cube (27000 = 30³).

The spelling of 13996931 in words is "thirteen million, nine hundred ninety-six thousand, nine hundred thirty-one".