12538756 has 12 divisors (see below), whose sum is σ = 22650880. Its totient is φ = 6067080.

The previous prime is 12538753. The next prime is 12538763. The reversal of 12538756 is 65783521.

It is not an unprimeable number, because it can be changed into a prime (12538753) 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, 50436 + ... + 50683.

Almost surely, 2^12538756 is an apocalyptic number.

It is an amenable number.

12538756 is a deficient number, since it is larger than the sum of its proper divisors (10112124).

12538756 is a wasteful number, since it uses less digits than its factorization.

12538756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101154 (or 101152 counting only the distinct ones).

The product of its digits is 50400, while the sum is 37.

The square root of 12538756 is about 3541.0105902129. The cubic root of 12538756 is about 232.3190467765.

The spelling of 12538756 in words is "twelve million, five hundred thirty-eight thousand, seven hundred fifty-six".