12319513684 has 12 divisors (see below), whose sum is σ = 21559941844. Its totient is φ = 6159530304.

The previous prime is 12319513637. The next prime is 12319513733. The reversal of 12319513684 is 48631591321.

It can be written as a sum of positive squares in 2 ways, for example, as 10150562500 + 2168951184 = 100750^2 + 46572^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 12319513684.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 147382 + ... + 215314.

Almost surely, 2^12319513684 is an apocalyptic number.

It is an amenable number.

12319513684 is a deficient number, since it is larger than the sum of its proper divisors (9240428160).

12319513684 is a wasteful number, since it uses less digits than its factorization.

12319513684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113274 (or 113272 counting only the distinct ones).

The product of its digits is 155520, while the sum is 43.

The spelling of 12319513684 in words is "twelve billion, three hundred nineteen million, five hundred thirteen thousand, six hundred eighty-four".