12802325636 has 24 divisors (see below), whose sum is σ = 22516919040. Its totient is φ = 6368952672.

The previous prime is 12802325633. The next prime is 12802325693. The reversal of 12802325636 is 63652320821.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 12802325636.

It is not an unprimeable number, because it can be changed into a prime (12802325633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2528075 + ... + 2533133.

It is an arithmetic number, because the mean of its divisors is an integer number (938204960).

Almost surely, 2^12802325636 is an apocalyptic number.

It is an amenable number.

12802325636 is a deficient number, since it is larger than the sum of its proper divisors (9714593404).

12802325636 is a wasteful number, since it uses less digits than its factorization.

12802325636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8123 (or 8121 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 38.

The spelling of 12802325636 in words is "twelve billion, eight hundred two million, three hundred twenty-five thousand, six hundred thirty-six".