13042879 has 6 divisors (see below), whose sum is σ = 13370480. Its totient is φ = 12723120.

The previous prime is 13042853. The next prime is 13042891. The reversal of 13042879 is 97824031.

It is not a de Polignac number, because 13042879 - 2⁷ = 13042751 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 (13042819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2199 + ... + 5560.

Almost surely, 2^13042879 is an apocalyptic number.

13042879 is a deficient number, since it is larger than the sum of its proper divisors (327601).

13042879 is an frugal number, since it uses more digits than its factorization.

13042879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7841 (or 7800 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 13042879 is about 3611.4926277095. The cubic root of 13042879 is about 235.3917052641.

The spelling of 13042879 in words is "thirteen million, forty-two thousand, eight hundred seventy-nine".