12638876 has 12 divisors (see below), whose sum is σ = 23282280. Its totient is φ = 5986800.

The previous prime is 12638849. The next prime is 12638893. The reversal of 12638876 is 67883621.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 83075 + ... + 83226.

It is an arithmetic number, because the mean of its divisors is an integer number (1940190).

Almost surely, 2^12638876 is an apocalyptic number.

It is an amenable number.

12638876 is a deficient number, since it is larger than the sum of its proper divisors (10643404).

12638876 is a wasteful number, since it uses less digits than its factorization.

12638876 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166324 (or 166322 counting only the distinct ones).

The product of its digits is 96768, while the sum is 41.

The square root of 12638876 is about 3555.1196885618. The cubic root of 12638876 is about 232.9357519628.

The spelling of 12638876 in words is "twelve million, six hundred thirty-eight thousand, eight hundred seventy-six".