12924979 has 2 divisors, whose sum is σ = 12924980. Its totient is φ = 12924978.

The previous prime is 12924971. The next prime is 12925013. The reversal of 12924979 is 97942921.

It is a weak prime.

It is an emirp because it is prime and its reverse (97942921) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12924979 - 2³ = 12924971 is a prime.

It is not a weakly prime, because it can be changed into another prime (12924971) 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 as a sum of consecutive naturals, namely, 6462489 + 6462490.

It is an arithmetic number, because the mean of its divisors is an integer number (6462490).

Almost surely, 2^12924979 is an apocalyptic number.

12924979 is a deficient number, since it is larger than the sum of its proper divisors (1).

12924979 is an equidigital number, since it uses as much as digits as its factorization.

12924979 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 81648, while the sum is 43.

The square root of 12924979 is about 3595.1326818353. The cubic root of 12924979 is about 234.6802895504.

The spelling of 12924979 in words is "twelve million, nine hundred twenty-four thousand, nine hundred seventy-nine".