12974891297 has 2 divisors, whose sum is σ = 12974891298. Its totient is φ = 12974891296.

The previous prime is 12974891239. The next prime is 12974891327. The reversal of 12974891297 is 79219847921.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11338203361 + 1636687936 = 106481^2 + 40456^2 .

It is a cyclic number.

It is not a de Polignac number, because 12974891297 - 2⁶ = 12974891233 is a prime.

It is not a weakly prime, because it can be changed into another prime (12974891207) 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, 6487445648 + 6487445649.

It is an arithmetic number, because the mean of its divisors is an integer number (6487445649).

Almost surely, 2^12974891297 is an apocalyptic number.

It is an amenable number.

12974891297 is a deficient number, since it is larger than the sum of its proper divisors (1).

12974891297 is an equidigital number, since it uses as much as digits as its factorization.

12974891297 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4572288, while the sum is 59.

The spelling of 12974891297 in words is "twelve billion, nine hundred seventy-four million, eight hundred ninety-one thousand, two hundred ninety-seven".