12638852 has 24 divisors (see below), whose sum is σ = 22643712. Its totient is φ = 6171200.

The previous prime is 12638849. The next prime is 12638893. The reversal of 12638852 is 25883621.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54128 + ... + 54360.

It is an arithmetic number, because the mean of its divisors is an integer number (943488).

Almost surely, 2^12638852 is an apocalyptic number.

It is an amenable number.

12638852 is a deficient number, since it is larger than the sum of its proper divisors (10004860).

12638852 is a wasteful number, since it uses less digits than its factorization.

12638852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 499 (or 497 counting only the distinct ones).

The product of its digits is 23040, while the sum is 35.

The square root of 12638852 is about 3555.1163131464. The cubic root of 12638852 is about 232.9356045219.

The spelling of 12638852 in words is "twelve million, six hundred thirty-eight thousand, eight hundred fifty-two".