12736836 has 36 divisors (see below), whose sum is σ = 36796032. Its totient is φ = 3639024.

The previous prime is 12736819. The next prime is 12736837. The reversal of 12736836 is 63863721.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 12736836.

It is not an unprimeable number, because it can be changed into a prime (12736837) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25020 + ... + 25523.

It is an arithmetic number, because the mean of its divisors is an integer number (1022112).

Almost surely, 2^12736836 is an apocalyptic number.

It is an amenable number.

12736836 is an abundant number, since it is smaller than the sum of its proper divisors (24059196).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12736836 is a wasteful number, since it uses less digits than its factorization.

12736836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50560 (or 50555 counting only the distinct ones).

The product of its digits is 36288, while the sum is 36.

The square root of 12736836 is about 3568.8704095274. The cubic root of 12736836 is about 233.5360080316.

It can be divided in two parts, 127 and 36836, that added together give a palindrome (36963).

The spelling of 12736836 in words is "twelve million, seven hundred thirty-six thousand, eight hundred thirty-six".