13913664 has 28 divisors (see below), whose sum is σ = 36813744. Its totient is φ = 4637824.

The previous prime is 13913623. The next prime is 13913671. The reversal of 13913664 is 46631931.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36042 + ... + 36425.

Almost surely, 2^13913664 is an apocalyptic number.

It is an amenable number.

13913664 is an abundant number, since it is smaller than the sum of its proper divisors (22900080).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13913664 is an equidigital number, since it uses as much as digits as its factorization.

13913664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72482 (or 72472 counting only the distinct ones).

The product of its digits is 11664, while the sum is 33.

The square root of 13913664 is about 3730.1024114627. The cubic root of 13913664 is about 240.5177710570.

The spelling of 13913664 in words is "thirteen million, nine hundred thirteen thousand, six hundred sixty-four".