12556677 has 16 divisors (see below), whose sum is σ = 19267200. Its totient is φ = 7125312.

The previous prime is 12556669. The next prime is 12556697. The reversal of 12556677 is 77665521.

It is not a de Polignac number, because 12556677 - 2³ = 12556669 is a prime.

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12556637) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1123 + ... + 5135.

It is an arithmetic number, because the mean of its divisors is an integer number (1204200).

Almost surely, 2^12556677 is an apocalyptic number.

It is an amenable number.

12556677 is a deficient number, since it is larger than the sum of its proper divisors (6710523).

12556677 is a wasteful number, since it uses less digits than its factorization.

12556677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4172.

The product of its digits is 88200, while the sum is 39.

The square root of 12556677 is about 3543.5401789736. The cubic root of 12556677 is about 232.4296746491.

The spelling of 12556677 in words is "twelve million, five hundred fifty-six thousand, six hundred seventy-seven".