12876669 has 24 divisors (see below), whose sum is σ = 20186712. Its totient is φ = 7862400.

The previous prime is 12876659. The next prime is 12876671. The reversal of 12876669 is 96667821.

It can be written as a sum of positive squares in 4 ways, for example, as 1077444 + 11799225 = 1038^2 + 3435^2 .

It is not a de Polignac number, because 12876669 - 2⁷ = 12876541 is a prime.

It is a super-2 number, since 2×12876669² = 331617209071122, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12876649) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18019 + ... + 18719.

It is an arithmetic number, because the mean of its divisors is an integer number (841113).

Almost surely, 2^12876669 is an apocalyptic number.

It is an amenable number.

12876669 is a deficient number, since it is larger than the sum of its proper divisors (7310043).

12876669 is a wasteful number, since it uses less digits than its factorization.

12876669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 877 (or 874 counting only the distinct ones).

The product of its digits is 217728, while the sum is 45.

The square root of 12876669 is about 3588.4075855454. The cubic root of 12876669 is about 234.3875344763.

The spelling of 12876669 in words is "twelve million, eight hundred seventy-six thousand, six hundred sixty-nine".