13920568 has 16 divisors (see below), whose sum is σ = 26145000. Its totient is φ = 6948576.

The previous prime is 13920541. The next prime is 13920587. The reversal of 13920568 is 86502931.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5583 + ... + 7681.

Almost surely, 2^13920568 is an apocalyptic number.

It is an amenable number.

13920568 is a deficient number, since it is larger than the sum of its proper divisors (12224432).

13920568 is a wasteful number, since it uses less digits than its factorization.

13920568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2934 (or 2930 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 13920568 is about 3731.0277404490. The cubic root of 13920568 is about 240.5575463482.

The spelling of 13920568 in words is "thirteen million, nine hundred twenty thousand, five hundred sixty-eight".