14979657 has 32 divisors (see below), whose sum is σ = 26219520. Its totient is φ = 7369920.

The previous prime is 14979649. The next prime is 14979667. The reversal of 14979657 is 75697941.

It is a happy number.

It is not a de Polignac number, because 14979657 - 2³ = 14979649 is a prime.

It is a nialpdrome in base 8.

It is not an unprimeable number, because it can be changed into a prime (14979607) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2683 + ... + 6095.

It is an arithmetic number, because the mean of its divisors is an integer number (819360).

Almost surely, 2^14979657 is an apocalyptic number.

It is an amenable number.

14979657 is a deficient number, since it is larger than the sum of its proper divisors (11239863).

14979657 is a wasteful number, since it uses less digits than its factorization.

14979657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3453.

The product of its digits is 476280, while the sum is 48.

The square root of 14979657 is about 3870.3561851592. The cubic root of 14979657 is about 246.5096677673.

The spelling of 14979657 in words is "fourteen million, nine hundred seventy-nine thousand, six hundred fifty-seven".