12979213 has 8 divisors (see below), whose sum is σ = 14005656. Its totient is φ = 11956800.

The previous prime is 12979159. The next prime is 12979237. The reversal of 12979213 is 31297921.

It is a happy number.

12979213 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 1432809 + 11546404 = 1197^2 + 3398^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12979213 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 (12979283) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11703 + ... + 12763.

It is an arithmetic number, because the mean of its divisors is an integer number (1750707).

Almost surely, 2^12979213 is an apocalyptic number.

12979213 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

12979213 is a deficient number, since it is larger than the sum of its proper divisors (1026443).

12979213 is a wasteful number, since it uses less digits than its factorization.

12979213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2015.

The product of its digits is 6804, while the sum is 34.

The square root of 12979213 is about 3602.6674839624. The cubic root of 12979213 is about 235.0080757750.

The spelling of 12979213 in words is "twelve million, nine hundred seventy-nine thousand, two hundred thirteen".