12765136 has 20 divisors (see below), whose sum is σ = 25048000. Its totient is φ = 6301152.

The previous prime is 12765127. The next prime is 12765139. The reversal of 12765136 is 63156721.

It is a junction number, because it is equal to n+sod(n) for n = 12765098 and 12765107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12765139) by changing a digit.

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, 3786 + ... + 6313.

It is an arithmetic number, because the mean of its divisors is an integer number (1252400).

Almost surely, 2^12765136 is an apocalyptic number.

12765136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12765136 is a deficient number, since it is larger than the sum of its proper divisors (12282864).

12765136 is a wasteful number, since it uses less digits than its factorization.

12765136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10186 (or 10180 counting only the distinct ones).

The product of its digits is 7560, while the sum is 31.

The square root of 12765136 is about 3572.8330495561. The cubic root of 12765136 is about 233.7088447853.

The spelling of 12765136 in words is "twelve million, seven hundred sixty-five thousand, one hundred thirty-six".