12677857 has 2 divisors, whose sum is σ = 12677858. Its totient is φ = 12677856.

The previous prime is 12677851. The next prime is 12677867. The reversal of 12677857 is 75877621.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6507601 + 6170256 = 2551^2 + 2484^2 .

It is a cyclic number.

It is not a de Polignac number, because 12677857 - 2²³ = 4289249 is a prime.

It is a super-2 number, since 2×12677857² = 321456116224898, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12677851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6338928 + 6338929.

It is an arithmetic number, because the mean of its divisors is an integer number (6338929).

Almost surely, 2^12677857 is an apocalyptic number.

It is an amenable number.

12677857 is a deficient number, since it is larger than the sum of its proper divisors (1).

12677857 is an equidigital number, since it uses as much as digits as its factorization.

12677857 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 164640, while the sum is 43.

The square root of 12677857 is about 3560.5978430595. The cubic root of 12677857 is about 233.1749807663.

The spelling of 12677857 in words is "twelve million, six hundred seventy-seven thousand, eight hundred fifty-seven".