13684724 has 12 divisors (see below), whose sum is σ = 24989664. Its totient is φ = 6544824.

The previous prime is 13684717. The next prime is 13684739. The reversal of 13684724 is 42748631.

It is a congruent number.

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, 74282 + ... + 74465.

It is an arithmetic number, because the mean of its divisors is an integer number (2082472).

Almost surely, 2^13684724 is an apocalyptic number.

It is an amenable number.

13684724 is a deficient number, since it is larger than the sum of its proper divisors (11304940).

13684724 is a wasteful number, since it uses less digits than its factorization.

13684724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148774 (or 148772 counting only the distinct ones).

The product of its digits is 32256, while the sum is 35.

The square root of 13684724 is about 3699.2869583205. The cubic root of 13684724 is about 239.1912825911.

The spelling of 13684724 in words is "thirteen million, six hundred eighty-four thousand, seven hundred twenty-four".