13250879 has 4 divisors (see below), whose sum is σ = 13387584. Its totient is φ = 13114176.

The previous prime is 13250873. The next prime is 13250891. The reversal of 13250879 is 97805231.

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 13250879 - 2⁴ = 13250863 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 (13250873) 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 3 ways as a sum of consecutive naturals, for example, 68207 + ... + 68400.

It is an arithmetic number, because the mean of its divisors is an integer number (3346896).

Almost surely, 2^13250879 is an apocalyptic number.

13250879 is a deficient number, since it is larger than the sum of its proper divisors (136705).

13250879 is an equidigital number, since it uses as much as digits as its factorization.

13250879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136704.

The product of its (nonzero) digits is 15120, while the sum is 35.

The square root of 13250879 is about 3640.1756825736. The cubic root of 13250879 is about 236.6364071167.

The spelling of 13250879 in words is "thirteen million, two hundred fifty thousand, eight hundred seventy-nine".