12974482621 has 2 divisors, whose sum is σ = 12974482622. Its totient is φ = 12974482620.

The previous prime is 12974482613. The next prime is 12974482757. The reversal of 12974482621 is 12628447921.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12849356025 + 125126596 = 113355^2 + 11186^2 .

It is a cyclic number.

It is not a de Polignac number, because 12974482621 - 2³ = 12974482613 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12974482121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6487241310 + 6487241311.

It is an arithmetic number, because the mean of its divisors is an integer number (6487241311).

Almost surely, 2^12974482621 is an apocalyptic number.

It is an amenable number.

12974482621 is a deficient number, since it is larger than the sum of its proper divisors (1).

12974482621 is an equidigital number, since it uses as much as digits as its factorization.

12974482621 is an evil number, because the sum of its binary digits is even.

The product of its digits is 387072, while the sum is 46.

The spelling of 12974482621 in words is "twelve billion, nine hundred seventy-four million, four hundred eighty-two thousand, six hundred twenty-one".