13679724 has 48 divisors (see below), whose sum is σ = 32967648. Its totient is φ = 4412928.

The previous prime is 13679723. The next prime is 13679737. The reversal of 13679724 is 42797631.

13679724 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (13679723) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87054 + ... + 87210.

It is an arithmetic number, because the mean of its divisors is an integer number (686826).

Almost surely, 2^13679724 is an apocalyptic number.

It is an amenable number.

13679724 is an abundant number, since it is smaller than the sum of its proper divisors (19287924).

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

13679724 is a wasteful number, since it uses less digits than its factorization.

13679724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 354 (or 352 counting only the distinct ones).

The product of its digits is 63504, while the sum is 39.

The square root of 13679724 is about 3698.6110906663. The cubic root of 13679724 is about 239.1621478640.

The spelling of 13679724 in words is "thirteen million, six hundred seventy-nine thousand, seven hundred twenty-four".