12508057 has 2 divisors, whose sum is σ = 12508058. Its totient is φ = 12508056.

The previous prime is 12508049. The next prime is 12508079. The reversal of 12508057 is 75080521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12503296 + 4761 = 3536^2 + 69^2 .

It is a cyclic number.

It is not a de Polignac number, because 12508057 - 2³ = 12508049 is a prime.

It is not a weakly prime, because it can be changed into another prime (12508087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6254028 + 6254029.

It is an arithmetic number, because the mean of its divisors is an integer number (6254029).

Almost surely, 2^12508057 is an apocalyptic number.

It is an amenable number.

12508057 is a deficient number, since it is larger than the sum of its proper divisors (1).

12508057 is an equidigital number, since it uses as much as digits as its factorization.

12508057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2800, while the sum is 28.

The square root of 12508057 is about 3536.6731542510. The cubic root of 12508057 is about 232.1292940129.

Adding to 12508057 its reverse (75080521), we get a palindrome (87588578).

The spelling of 12508057 in words is "twelve million, five hundred eight thousand, fifty-seven".