13028879 has 8 divisors (see below), whose sum is σ = 13722720. Its totient is φ = 12345696.

The previous prime is 13028863. The next prime is 13028881. The reversal of 13028879 is 97882031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13028879 - 2⁴ = 13028863 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13028819) 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 7 ways as a sum of consecutive naturals, for example, 92 + ... + 5105.

It is an arithmetic number, because the mean of its divisors is an integer number (1715340).

Almost surely, 2^13028879 is an apocalyptic number.

13028879 is a deficient number, since it is larger than the sum of its proper divisors (693841).

13028879 is a wasteful number, since it uses less digits than its factorization.

13028879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5329.

The product of its (nonzero) digits is 24192, while the sum is 38.

The square root of 13028879 is about 3609.5538505472. The cubic root of 13028879 is about 235.3074533214.

The spelling of 13028879 in words is "thirteen million, twenty-eight thousand, eight hundred seventy-nine".