12577937 has 2 divisors, whose sum is σ = 12577938. Its totient is φ = 12577936.

The previous prime is 12577931. The next prime is 12577949. The reversal of 12577937 is 73977521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10916416 + 1661521 = 3304^2 + 1289^2 .

It is a cyclic number.

It is not a de Polignac number, because 12577937 - 2²⁰ = 11529361 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12577894 and 12577903.

It is not a weakly prime, because it can be changed into another prime (12577931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6288968 + 6288969.

It is an arithmetic number, because the mean of its divisors is an integer number (6288969).

Almost surely, 2^12577937 is an apocalyptic number.

It is an amenable number.

12577937 is a deficient number, since it is larger than the sum of its proper divisors (1).

12577937 is an equidigital number, since it uses as much as digits as its factorization.

12577937 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 92610, while the sum is 41.

The square root of 12577937 is about 3546.5387351614. The cubic root of 12577937 is about 232.5607780367.

The spelling of 12577937 in words is "twelve million, five hundred seventy-seven thousand, nine hundred thirty-seven".