13312479 has 16 divisors (see below), whose sum is σ = 19444320. Its totient is φ = 8064000.

The previous prime is 13312477. The next prime is 13312493. The reversal of 13312479 is 97421331.

It is not a de Polignac number, because 13312479 - 2¹ = 13312477 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13312471) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3022 + ... + 5979.

It is an arithmetic number, because the mean of its divisors is an integer number (1215270).

Almost surely, 2^13312479 is an apocalyptic number.

13312479 is a deficient number, since it is larger than the sum of its proper divisors (6131841).

13312479 is a wasteful number, since it uses less digits than its factorization.

13312479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9050.

The product of its digits is 4536, while the sum is 30.

The square root of 13312479 is about 3648.6270020379. The cubic root of 13312479 is about 237.0025280579.

The spelling of 13312479 in words is "thirteen million, three hundred twelve thousand, four hundred seventy-nine".