13030879 has 4 divisors (see below), whose sum is σ = 13106376. Its totient is φ = 12955384.

The previous prime is 13030877. The next prime is 13030921. The reversal of 13030879 is 97803031.

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

It is a cyclic number.

It is not a de Polignac number, because 13030879 - 2¹ = 13030877 is a prime.

It is a super-4 number, since 4×13030879⁴ (a number of 30 digits) contains 4444 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13030879.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13030877) 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, 37489 + ... + 37834.

It is an arithmetic number, because the mean of its divisors is an integer number (3276594).

Almost surely, 2^13030879 is an apocalyptic number.

13030879 is a deficient number, since it is larger than the sum of its proper divisors (75497).

13030879 is an equidigital number, since it uses as much as digits as its factorization.

13030879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75496.

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 13030879 is about 3609.8308824653. The cubic root of 13030879 is about 235.3194930072.

The spelling of 13030879 in words is "thirteen million, thirty thousand, eight hundred seventy-nine".