12903596836 has 81 divisors (see below), whose sum is σ = 26076354969. Its totient is φ = 5583372288.

The previous prime is 12903596833. The next prime is 12903596843. The reversal of 12903596836 is 63869530921.

The square root of 12903596836 is 113594.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 13 ways, for example, as 614544100 + 12289052736 = 24790^2 + 110856^2 .

It is a super-2 number, since 2×12903596836² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12903596833) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 50208420 + ... + 50208676.

Almost surely, 2^12903596836 is an apocalyptic number.

12903596836 is the 113594-th square number.

It is an amenable number.

12903596836 is an abundant number, since it is smaller than the sum of its proper divisors (13172758133).

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

12903596836 is a wasteful number, since it uses less digits than its factorization.

12903596836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 578 (or 289 counting only the distinct ones).

The product of its (nonzero) digits is 2099520, while the sum is 52.

The spelling of 12903596836 in words is "twelve billion, nine hundred three million, five hundred ninety-six thousand, eight hundred thirty-six".