13686604 has 12 divisors (see below), whose sum is σ = 23998464. Its totient is φ = 6829904.

The previous prime is 13686577. The next prime is 13686613. The reversal of 13686604 is 40668631.

13686604 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 13686604.

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, 844 + ... + 5299.

It is an arithmetic number, because the mean of its divisors is an integer number (1999872).

Almost surely, 2^13686604 is an apocalyptic number.

It is an amenable number.

13686604 is a deficient number, since it is larger than the sum of its proper divisors (10311860).

13686604 is a wasteful number, since it uses less digits than its factorization.

13686604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6704 (or 6702 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 13686604 is about 3699.5410526172. The cubic root of 13686604 is about 239.2022354127.

The spelling of 13686604 in words is "thirteen million, six hundred eighty-six thousand, six hundred four".