13686704 has 10 divisors (see below), whose sum is σ = 26518020. Its totient is φ = 6843344.

The previous prime is 13686689. The next prime is 13686713. The reversal of 13686704 is 40768631.

13686704 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 427694 + ... + 427725.

It is an arithmetic number, because the mean of its divisors is an integer number (2651802).

Almost surely, 2^13686704 is an apocalyptic number.

It is an amenable number.

13686704 is a deficient number, since it is larger than the sum of its proper divisors (12831316).

13686704 is an equidigital number, since it uses as much as digits as its factorization.

13686704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 855427 (or 855421 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 13686704 is about 3699.5545677825. The cubic root of 13686704 is about 239.2028179815.

The spelling of 13686704 in words is "thirteen million, six hundred eighty-six thousand, seven hundred four".