12976397479 has 2 divisors, whose sum is σ = 12976397480. Its totient is φ = 12976397478.

The previous prime is 12976397389. The next prime is 12976397543. The reversal of 12976397479 is 97479367921.

It is an a-pointer prime, because the next prime (12976397543) can be obtained adding 12976397479 to its sum of digits (64).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12976397479 - 2¹⁵ = 12976364711 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12976397479.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12976397779) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6488198739 + 6488198740.

It is an arithmetic number, because the mean of its divisors is an integer number (6488198740).

Almost surely, 2^12976397479 is an apocalyptic number.

12976397479 is a deficient number, since it is larger than the sum of its proper divisors (1).

12976397479 is an equidigital number, since it uses as much as digits as its factorization.

12976397479 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36006768, while the sum is 64.

The spelling of 12976397479 in words is "twelve billion, nine hundred seventy-six million, three hundred ninety-seven thousand, four hundred seventy-nine".