13688908 has 6 divisors (see below), whose sum is σ = 23955596. Its totient is φ = 6844452.

The previous prime is 13688897. The next prime is 13688929. The reversal of 13688908 is 80988631.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1711110 + ... + 1711117.

Almost surely, 2^13688908 is an apocalyptic number.

It is an amenable number.

13688908 is a deficient number, since it is larger than the sum of its proper divisors (10266688).

13688908 is a wasteful number, since it uses less digits than its factorization.

13688908 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3422231 (or 3422229 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 43.

The square root of 13688908 is about 3699.8524294896. The cubic root of 13688908 is about 239.2156570774.

The spelling of 13688908 in words is "thirteen million, six hundred eighty-eight thousand, nine hundred eight".