13979544 has 32 divisors (see below), whose sum is σ = 35070000. Its totient is φ = 4643712.

The previous prime is 13979533. The next prime is 13979549. The reversal of 13979544 is 44597931.

It is a junction number, because it is equal to n+sod(n) for n = 13979496 and 13979505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13979549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7542 + ... + 9210.

Almost surely, 2^13979544 is an apocalyptic number.

It is an amenable number.

13979544 is an abundant number, since it is smaller than the sum of its proper divisors (21090456).

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

13979544 is a wasteful number, since it uses less digits than its factorization.

13979544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2027 (or 2023 counting only the distinct ones).

The product of its digits is 136080, while the sum is 42.

The square root of 13979544 is about 3738.9228395355. The cubic root of 13979544 is about 240.8967837937.

The spelling of 13979544 in words is "thirteen million, nine hundred seventy-nine thousand, five hundred forty-four".