12679013 has 4 divisors (see below), whose sum is σ = 12868320. Its totient is φ = 12489708.

The previous prime is 12678983. The next prime is 12679019. The reversal of 12679013 is 31097621.

12679013 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, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 31097621 = 3923 ⋅7927.

It is a cyclic number.

It is not a de Polignac number, because 12679013 - 2¹⁰ = 12677989 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 (12679019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94553 + ... + 94686.

It is an arithmetic number, because the mean of its divisors is an integer number (3217080).

Almost surely, 2^12679013 is an apocalyptic number.

It is an amenable number.

12679013 is a deficient number, since it is larger than the sum of its proper divisors (189307).

12679013 is an equidigital number, since it uses as much as digits as its factorization.

12679013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189306.

The product of its (nonzero) digits is 2268, while the sum is 29.

The square root of 12679013 is about 3560.7601716487. The cubic root of 12679013 is about 233.1820677182.

The spelling of 12679013 in words is "twelve million, six hundred seventy-nine thousand, thirteen".