12713879 has 4 divisors (see below), whose sum is σ = 12743280. Its totient is φ = 12684480.

The previous prime is 12713873. The next prime is 12713881. The reversal of 12713879 is 97831721.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 97831721 = 13 ⋅7525517.

It is a cyclic number.

It is not a de Polignac number, because 12713879 - 2⁴ = 12713863 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 (12713873) 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, 14042 + ... + 14919.

It is an arithmetic number, because the mean of its divisors is an integer number (3185820).

Almost surely, 2^12713879 is an apocalyptic number.

12713879 is a deficient number, since it is larger than the sum of its proper divisors (29401).

12713879 is an equidigital number, since it uses as much as digits as its factorization.

12713879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29400.

The product of its digits is 21168, while the sum is 38.

The square root of 12713879 is about 3565.6526751774. The cubic root of 12713879 is about 233.3956144403.

The spelling of 12713879 in words is "twelve million, seven hundred thirteen thousand, eight hundred seventy-nine".