12415957 has 2 divisors, whose sum is σ = 12415958. Its totient is φ = 12415956.

The previous prime is 12415937. The next prime is 12415969. The reversal of 12415957 is 75951421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10458756 + 1957201 = 3234^2 + 1399^2 .

It is a cyclic number.

It is not a de Polignac number, because 12415957 - 2¹¹ = 12413909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12415937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6207978 + 6207979.

It is an arithmetic number, because the mean of its divisors is an integer number (6207979).

Almost surely, 2^12415957 is an apocalyptic number.

It is an amenable number.

12415957 is a deficient number, since it is larger than the sum of its proper divisors (1).

12415957 is an equidigital number, since it uses as much as digits as its factorization.

12415957 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12600, while the sum is 34.

The square root of 12415957 is about 3523.6283856275. The cubic root of 12415957 is about 231.5581475655.

The spelling of 12415957 in words is "twelve million, four hundred fifteen thousand, nine hundred fifty-seven".