13979124 has 36 divisors (see below), whose sum is σ = 36874656. Its totient is φ = 4456848.

The previous prime is 13979113. The next prime is 13979143. The reversal of 13979124 is 42197931.

It is a tau number, because it is divible by the number of its divisors (36).

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7614 + ... + 9269.

It is an arithmetic number, because the mean of its divisors is an integer number (1024296).

Almost surely, 2^13979124 is an apocalyptic number.

It is an amenable number.

13979124 is an abundant number, since it is smaller than the sum of its proper divisors (22895532).

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

13979124 is a wasteful number, since it uses less digits than its factorization.

13979124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16916 (or 16911 counting only the distinct ones).

The product of its digits is 13608, while the sum is 36.

The square root of 13979124 is about 3738.8666732046. The cubic root of 13979124 is about 240.8943712767.

The spelling of 13979124 in words is "thirteen million, nine hundred seventy-nine thousand, one hundred twenty-four".