13992957 has 24 divisors (see below), whose sum is σ = 22171968. Its totient is φ = 8433600.

The previous prime is 13992941. The next prime is 13992959. The reversal of 13992957 is 75929931.

It is a happy number.

It is not a de Polignac number, because 13992957 - 2⁴ = 13992941 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13992959) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27568 + ... + 28070.

It is an arithmetic number, because the mean of its divisors is an integer number (923832).

Almost surely, 2^13992957 is an apocalyptic number.

It is an amenable number.

13992957 is a deficient number, since it is larger than the sum of its proper divisors (8179011).

13992957 is a wasteful number, since it uses less digits than its factorization.

13992957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 801 (or 798 counting only the distinct ones).

The product of its digits is 153090, while the sum is 45.

The square root of 13992957 is about 3740.7161079130. The cubic root of 13992957 is about 240.9738038479.

It can be divided in two parts, 1399 and 2957, that added together give a square (4356 = 66²).

The spelling of 13992957 in words is "thirteen million, nine hundred ninety-two thousand, nine hundred fifty-seven".