12631057 has 2 divisors, whose sum is σ = 12631058. Its totient is φ = 12631056.

The previous prime is 12631019. The next prime is 12631079. The reversal of 12631057 is 75013621.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11229201 + 1401856 = 3351^2 + 1184^2 .

It is a cyclic number.

It is not a de Polignac number, because 12631057 - 2²³ = 4242449 is a prime.

It is not a weakly prime, because it can be changed into another prime (12631757) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6315528 + 6315529.

It is an arithmetic number, because the mean of its divisors is an integer number (6315529).

Almost surely, 2^12631057 is an apocalyptic number.

It is an amenable number.

12631057 is a deficient number, since it is larger than the sum of its proper divisors (1).

12631057 is an equidigital number, since it uses as much as digits as its factorization.

12631057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1260, while the sum is 25.

The square root of 12631057 is about 3554.0198367482. The cubic root of 12631057 is about 232.8877070692.

Adding to 12631057 its reverse (75013621), we get a palindrome (87644678).

The spelling of 12631057 in words is "twelve million, six hundred thirty-one thousand, fifty-seven".