13979884 has 12 divisors (see below), whose sum is σ = 25254208. Its totient is φ = 6764400.

The previous prime is 13979857. The next prime is 13979921. The reversal of 13979884 is 48897931.

It is a happy number.

13979884 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 3 ways as a sum of consecutive naturals, for example, 56247 + ... + 56494.

Almost surely, 2^13979884 is an apocalyptic number.

It is an amenable number.

13979884 is a deficient number, since it is larger than the sum of its proper divisors (11274324).

13979884 is a wasteful number, since it uses less digits than its factorization.

13979884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112776 (or 112774 counting only the distinct ones).

The product of its digits is 435456, while the sum is 49.

The square root of 13979884 is about 3738.9683068996. The cubic root of 13979884 is about 240.8987367482.

The spelling of 13979884 in words is "thirteen million, nine hundred seventy-nine thousand, eight hundred eighty-four".