12557677 has 16 divisors (see below), whose sum is σ = 14192640. Its totient is φ = 11012400.

The previous prime is 12557659. The next prime is 12557693. The reversal of 12557677 is 77675521.

It is a cyclic number.

It is not a de Polignac number, because 12557677 - 2⁷ = 12557549 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12557647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65652 + ... + 65842.

It is an arithmetic number, because the mean of its divisors is an integer number (887040).

Almost surely, 2^12557677 is an apocalyptic number.

It is an amenable number.

12557677 is a deficient number, since it is larger than the sum of its proper divisors (1634963).

12557677 is a wasteful number, since it uses less digits than its factorization.

12557677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 384.

The product of its digits is 102900, while the sum is 40.

The square root of 12557677 is about 3543.6812779933. The cubic root of 12557677 is about 232.4358446335.

The spelling of 12557677 in words is "twelve million, five hundred fifty-seven thousand, six hundred seventy-seven".