12792979 has 4 divisors (see below), whose sum is σ = 12800200. Its totient is φ = 12785760.

The previous prime is 12792971. The next prime is 12793007. The reversal of 12792979 is 97929721.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 12792979 - 2³ = 12792971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12792971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1072 + ... + 5170.

It is an arithmetic number, because the mean of its divisors is an integer number (3200050).

Almost surely, 2^12792979 is an apocalyptic number.

12792979 is a deficient number, since it is larger than the sum of its proper divisors (7221).

12792979 is an equidigital number, since it uses as much as digits as its factorization.

12792979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7220.

The product of its digits is 142884, while the sum is 46.

The square root of 12792979 is about 3576.7274148305. The cubic root of 12792979 is about 233.8786413835.

The spelling of 12792979 in words is "twelve million, seven hundred ninety-two thousand, nine hundred seventy-nine".