12684592336 has 40 divisors (see below), whose sum is σ = 26475508584. Its totient is φ = 5852520960.

The previous prime is 12684592289. The next prime is 12684592367. The reversal of 12684592336 is 63329548621.

It can be written as a sum of positive squares in 4 ways, for example, as 2708577936 + 9976014400 = 52044^2 + 99880^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 12684592336.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 781746 + ... + 797806.

Almost surely, 2^12684592336 is an apocalyptic number.

12684592336 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12684592336 is an abundant number, since it is smaller than the sum of its proper divisors (13790916248).

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

12684592336 is a wasteful number, since it uses less digits than its factorization.

12684592336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19879 (or 19873 counting only the distinct ones).

The product of its digits is 1866240, while the sum is 49.

The spelling of 12684592336 in words is "twelve billion, six hundred eighty-four million, five hundred ninety-two thousand, three hundred thirty-six".