13130879 has 4 divisors (see below), whose sum is σ = 13147920. Its totient is φ = 13113840.

The previous prime is 13130857. The next prime is 13130891. The reversal of 13130879 is 97803131.

13130879 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13130879 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 (13130839) 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, 7307 + ... + 8924.

It is an arithmetic number, because the mean of its divisors is an integer number (3286980).

Almost surely, 2^13130879 is an apocalyptic number.

13130879 is a deficient number, since it is larger than the sum of its proper divisors (17041).

13130879 is an equidigital number, since it uses as much as digits as its factorization.

13130879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17040.

The product of its (nonzero) digits is 4536, while the sum is 32.

The square root of 13130879 is about 3623.6554747934. The cubic root of 13130879 is about 235.9199132163.

The spelling of 13130879 in words is "thirteen million, one hundred thirty thousand, eight hundred seventy-nine".