12838136 has 16 divisors (see below), whose sum is σ = 24109800. Its totient is φ = 6408864.

The previous prime is 12838127. The next prime is 12838139. The reversal of 12838136 is 63183821.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12838139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8270 + ... + 9698.

Almost surely, 2^12838136 is an apocalyptic number.

It is an amenable number.

12838136 is a deficient number, since it is larger than the sum of its proper divisors (11271664).

12838136 is a wasteful number, since it uses less digits than its factorization.

12838136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2558 (or 2554 counting only the distinct ones).

The product of its digits is 6912, while the sum is 32.

The square root of 12838136 is about 3583.0344681568. The cubic root of 12838136 is about 234.1535019314.

The spelling of 12838136 in words is "twelve million, eight hundred thirty-eight thousand, one hundred thirty-six".