12515708384 has 24 divisors (see below), whose sum is σ = 24665738328. Its totient is φ = 6251393920.

The previous prime is 12515708383. The next prime is 12515708411. The reversal of 12515708384 is 48380751521.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12515708383) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 170327 + ... + 232470.

It is an arithmetic number, because the mean of its divisors is an integer number (1027739097).

Almost surely, 2^12515708384 is an apocalyptic number.

It is an amenable number.

12515708384 is a deficient number, since it is larger than the sum of its proper divisors (12150029944).

12515708384 is an equidigital number, since it uses as much as digits as its factorization.

12515708384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 403778 (or 403770 counting only the distinct ones).

The product of its (nonzero) digits is 268800, while the sum is 44.

The spelling of 12515708384 in words is "twelve billion, five hundred fifteen million, seven hundred eight thousand, three hundred eighty-four".