12490987684 has 72 divisors (see below), whose sum is σ = 26173046592. Its totient is φ = 5198719680.

The previous prime is 12490987679. The next prime is 12490987703. The reversal of 12490987684 is 48678909421.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 925674 + ... + 939070.

It is an arithmetic number, because the mean of its divisors is an integer number (363514536).

Almost surely, 2^12490987684 is an apocalyptic number.

12490987684 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12490987684, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13086523296).

12490987684 is an abundant number, since it is smaller than the sum of its proper divisors (13682058908).

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

12490987684 is a wasteful number, since it uses less digits than its factorization.

12490987684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13553 (or 13544 counting only the distinct ones).

The product of its (nonzero) digits is 6967296, while the sum is 58.

The spelling of 12490987684 in words is "twelve billion, four hundred ninety million, nine hundred eighty-seven thousand, six hundred eighty-four".