13512079 has 4 divisors (see below), whose sum is σ = 15442384. Its totient is φ = 11581776.

The previous prime is 13512073. The next prime is 13512113. The reversal of 13512079 is 97021531.

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 13512079 - 2⁵ = 13512047 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 (13512073) 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, 965142 + ... + 965155.

It is an arithmetic number, because the mean of its divisors is an integer number (3860596).

Almost surely, 2^13512079 is an apocalyptic number.

13512079 is a deficient number, since it is larger than the sum of its proper divisors (1930305).

13512079 is an equidigital number, since it uses as much as digits as its factorization.

13512079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1930304.

The product of its (nonzero) digits is 1890, while the sum is 28.

The square root of 13512079 is about 3675.8779903582. The cubic root of 13512079 is about 238.1811522452.

The spelling of 13512079 in words is "thirteen million, five hundred twelve thousand, seventy-nine".