13312918 has 4 divisors (see below), whose sum is σ = 19969380. Its totient is φ = 6656458.

The previous prime is 13312913. The next prime is 13312927. The reversal of 13312918 is 81921331.

13312918 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13312913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3328228 + ... + 3328231.

It is an arithmetic number, because the mean of its divisors is an integer number (4992345).

Almost surely, 2^13312918 is an apocalyptic number.

13312918 is a deficient number, since it is larger than the sum of its proper divisors (6656462).

13312918 is an equidigital number, since it uses as much as digits as its factorization.

13312918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6656461.

The product of its digits is 1296, while the sum is 28.

The square root of 13312918 is about 3648.6871611581. The cubic root of 13312918 is about 237.0051332067.

The spelling of 13312918 in words is "thirteen million, three hundred twelve thousand, nine hundred eighteen".