13061879 has 4 divisors (see below), whose sum is σ = 13161720. Its totient is φ = 12962040.

The previous prime is 13061857. The next prime is 13061891. The reversal of 13061879 is 97816031.

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 13061879 - 2²⁰ = 12013303 is a prime.

It is a super-2 number, since 2×13061879² = 341225366021282, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13061849) 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, 49724 + ... + 49985.

It is an arithmetic number, because the mean of its divisors is an integer number (3290430).

Almost surely, 2^13061879 is an apocalyptic number.

13061879 is a deficient number, since it is larger than the sum of its proper divisors (99841).

13061879 is an equidigital number, since it uses as much as digits as its factorization.

13061879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99840.

The product of its (nonzero) digits is 9072, while the sum is 35.

The square root of 13061879 is about 3614.1221617427. The cubic root of 13061879 is about 235.5059508085.

The spelling of 13061879 in words is "thirteen million, sixty-one thousand, eight hundred seventy-nine".