13979118 has 16 divisors (see below), whose sum is σ = 28714320. Its totient is φ = 4533696.

The previous prime is 13979113. The next prime is 13979143. The reversal of 13979118 is 81197931.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13979111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31263 + ... + 31706.

It is an arithmetic number, because the mean of its divisors is an integer number (1794645).

Almost surely, 2^13979118 is an apocalyptic number.

13979118 is an abundant number, since it is smaller than the sum of its proper divisors (14735202).

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

13979118 is a wasteful number, since it uses less digits than its factorization.

13979118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63011.

The product of its digits is 13608, while the sum is 39.

The square root of 13979118 is about 3738.8658708223. The cubic root of 13979118 is about 240.8943368118.

The spelling of 13979118 in words is "thirteen million, nine hundred seventy-nine thousand, one hundred eighteen".