12646677 has 8 divisors (see below), whose sum is σ = 16904160. Its totient is φ = 8410160.

The previous prime is 12646661. The next prime is 12646679. The reversal of 12646677 is 77664621.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12646677 - 2⁴ = 12646661 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12646679) 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 in 7 ways as a sum of consecutive naturals, for example, 3774 + ... + 6287.

It is an arithmetic number, because the mean of its divisors is an integer number (2113020).

Almost surely, 2^12646677 is an apocalyptic number.

It is an amenable number.

12646677 is a deficient number, since it is larger than the sum of its proper divisors (4257483).

12646677 is a wasteful number, since it uses less digits than its factorization.

12646677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10483.

The product of its digits is 84672, while the sum is 39.

The square root of 12646677 is about 3556.2166694396. The cubic root of 12646677 is about 232.9836665102.

The spelling of 12646677 in words is "twelve million, six hundred forty-six thousand, six hundred seventy-seven".