13200879 has 4 divisors (see below), whose sum is σ = 17601176. Its totient is φ = 8800584.

The previous prime is 13200853. The next prime is 13200883. The reversal of 13200879 is 97800231.

It is a happy number.

13200879 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 not a de Polignac number, because 13200879 - 2²¹ = 11103727 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 (13200179) 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, 2200144 + ... + 2200149.

It is an arithmetic number, because the mean of its divisors is an integer number (4400294).

Almost surely, 2^13200879 is an apocalyptic number.

13200879 is a deficient number, since it is larger than the sum of its proper divisors (4400297).

13200879 is an equidigital number, since it uses as much as digits as its factorization.

13200879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4400296.

The product of its (nonzero) digits is 3024, while the sum is 30.

The square root of 13200879 is about 3633.3013912969. The cubic root of 13200879 is about 236.3383958568.

The spelling of 13200879 in words is "thirteen million, two hundred thousand, eight hundred seventy-nine".