13402479 has 16 divisors (see below), whose sum is σ = 18311040. Its totient is φ = 8717280.

The previous prime is 13402471. The next prime is 13402513. The reversal of 13402479 is 97420431.

It is a happy number.

13402479 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13402479 - 2³ = 13402471 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13402471) 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, 26077 + ... + 26585.

It is an arithmetic number, because the mean of its divisors is an integer number (1144440).

Almost surely, 2^13402479 is an apocalyptic number.

13402479 is a deficient number, since it is larger than the sum of its proper divisors (4908561).

13402479 is a wasteful number, since it uses less digits than its factorization.

13402479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 710.

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 13402479 is about 3660.9396334821. The cubic root of 13402479 is about 237.5354200174.

The spelling of 13402479 in words is "thirteen million, four hundred two thousand, four hundred seventy-nine".