13375579 has 6 divisors (see below), whose sum is σ = 15559404. Its totient is φ = 11464740.

The previous prime is 13375573. The next prime is 13375597. The reversal of 13375579 is 97557331.

It is a de Polignac number, because none of the positive numbers 2^k-13375579 is a prime.

It is a super-2 number, since 2×13375579² = 357812227170482, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13375573) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 136437 + ... + 136534.

It is an arithmetic number, because the mean of its divisors is an integer number (2593234).

Almost surely, 2^13375579 is an apocalyptic number.

13375579 is a deficient number, since it is larger than the sum of its proper divisors (2183825).

13375579 is an equidigital number, since it uses as much as digits as its factorization.

13375579 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272985 (or 272978 counting only the distinct ones).

The product of its digits is 99225, while the sum is 40.

The square root of 13375579 is about 3657.2638679756. The cubic root of 13375579 is about 237.3763951465.

The spelling of 13375579 in words is "thirteen million, three hundred seventy-five thousand, five hundred seventy-nine".