12636795 has 16 divisors (see below), whose sum is σ = 20766240. Its totient is φ = 6557184.

The previous prime is 12636791. The next prime is 12636823. The reversal of 12636795 is 59763621.

12636795 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12636795 - 2² = 12636791 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12636791) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10830 + ... + 11939.

It is an arithmetic number, because the mean of its divisors is an integer number (1297890).

Almost surely, 2^12636795 is an apocalyptic number.

12636795 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12636795 is a deficient number, since it is larger than the sum of its proper divisors (8129445).

12636795 is a wasteful number, since it uses less digits than its factorization.

12636795 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22814.

The product of its digits is 68040, while the sum is 39.

The square root of 12636795 is about 3554.8270000100. The cubic root of 12636795 is about 232.9229669149.

It can be divided in two parts, 12636 and 795, that added together give a palindrome (13431).

The spelling of 12636795 in words is "twelve million, six hundred thirty-six thousand, seven hundred ninety-five".