12487581696 has 224 divisors, whose sum is σ = 35380988928. Its totient is φ = 3910533120.

The previous prime is 12487581629. The next prime is 12487581721. The reversal of 12487581696 is 69618578421.

It is a super-2 number, since 2×12487581696² (a number of 21 digits) contains 22 as substring.

Its product of digits (5806080) is a multiple of the sum of its prime factors (540).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28188451 + ... + 28188893.

Almost surely, 2^12487581696 is an apocalyptic number.

12487581696 is a gapful number since it is divisible by the number (16) 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 12487581696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17690494464).

12487581696 is an abundant number, since it is smaller than the sum of its proper divisors (22893407232).

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

12487581696 is an equidigital number, since it uses as much as digits as its factorization.

12487581696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 540 (or 516 counting only the distinct ones).

The product of its digits is 5806080, while the sum is 57.

The spelling of 12487581696 in words is "twelve billion, four hundred eighty-seven million, five hundred eighty-one thousand, six hundred ninety-six".