13684404 has 24 divisors (see below), whose sum is σ = 33032160. Its totient is φ = 4404064.

The previous prime is 13684399. The next prime is 13684417. The reversal of 13684404 is 40448631.

13684404 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19314 + ... + 20009.

It is an arithmetic number, because the mean of its divisors is an integer number (1376340).

Almost surely, 2^13684404 is an apocalyptic number.

It is an amenable number.

13684404 is an abundant number, since it is smaller than the sum of its proper divisors (19347756).

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

13684404 is a wasteful number, since it uses less digits than its factorization.

13684404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39359 (or 39357 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 30.

The square root of 13684404 is about 3699.2437064892. The cubic root of 13684404 is about 239.1894181812.

The spelling of 13684404 in words is "thirteen million, six hundred eighty-four thousand, four hundred four".