12636798 has 16 divisors (see below), whose sum is σ = 26372736. Its totient is φ = 4029080.

The previous prime is 12636791. The next prime is 12636823. The reversal of 12636798 is 89763621.

It is a happy number.

12636798 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 45648 + ... + 45923.

It is an arithmetic number, because the mean of its divisors is an integer number (1648296).

Almost surely, 2^12636798 is an apocalyptic number.

12636798 is an abundant number, since it is smaller than the sum of its proper divisors (13735938).

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

12636798 is a wasteful number, since it uses less digits than its factorization.

12636798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91599.

The product of its digits is 108864, while the sum is 42.

The square root of 12636798 is about 3554.8274219714. The cubic root of 12636798 is about 232.9229853470.

The spelling of 12636798 in words is "twelve million, six hundred thirty-six thousand, seven hundred ninety-eight".