12979518 has 16 divisors (see below), whose sum is σ = 26029200. Its totient is φ = 4314816.

The previous prime is 12979511. The next prime is 12979529. The reversal of 12979518 is 81597921.

12979518 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 12979518.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12979511) 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, 343 + ... + 5106.

It is an arithmetic number, because the mean of its divisors is an integer number (1626825).

Almost surely, 2^12979518 is an apocalyptic number.

12979518 is an abundant number, since it is smaller than the sum of its proper divisors (13049682).

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

12979518 is a wasteful number, since it uses less digits than its factorization.

12979518 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5851.

The product of its digits is 45360, while the sum is 42.

The square root of 12979518 is about 3602.7098134599. The cubic root of 12979518 is about 235.0099165877.

The spelling of 12979518 in words is "twelve million, nine hundred seventy-nine thousand, five hundred eighteen".