13392479 has 4 divisors (see below), whose sum is σ = 13703976. Its totient is φ = 13080984.

The previous prime is 13392451. The next prime is 13392487. The reversal of 13392479 is 97429331.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 97429331 = 137 ⋅711163.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13392479 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13392419) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 155684 + ... + 155769.

It is an arithmetic number, because the mean of its divisors is an integer number (3425994).

Almost surely, 2^13392479 is an apocalyptic number.

13392479 is a deficient number, since it is larger than the sum of its proper divisors (311497).

13392479 is an equidigital number, since it uses as much as digits as its factorization.

13392479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311496.

The product of its digits is 40824, while the sum is 38.

The square root of 13392479 is about 3659.5736090425. The cubic root of 13392479 is about 237.4763278345.

The spelling of 13392479 in words is "thirteen million, three hundred ninety-two thousand, four hundred seventy-nine".