12274979 has 2 divisors, whose sum is σ = 12274980. Its totient is φ = 12274978.

The previous prime is 12274967. The next prime is 12274981. The reversal of 12274979 is 97947221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12274979 - 2⁴ = 12274963 is a prime.

Together with 12274981, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12274919) 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 as a sum of consecutive naturals, namely, 6137489 + 6137490.

It is an arithmetic number, because the mean of its divisors is an integer number (6137490).

Almost surely, 2^12274979 is an apocalyptic number.

12274979 is a deficient number, since it is larger than the sum of its proper divisors (1).

12274979 is an equidigital number, since it uses as much as digits as its factorization.

12274979 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 63504, while the sum is 41.

The square root of 12274979 is about 3503.5666113262. The cubic root of 12274979 is about 230.6783940581.

The spelling of 12274979 in words is "twelve million, two hundred seventy-four thousand, nine hundred seventy-nine".