12800687424 has 56 divisors (see below), whose sum is σ = 38706844608. Its totient is φ = 3657338880.

The previous prime is 12800687381. The next prime is 12800687443. The reversal of 12800687424 is 42478600821.

It is a tau number, because it is divible by the number of its divisors (56).

It is a Harshad number since it is a multiple of its sum of digits (42).

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, 4760817 + ... + 4763504.

Almost surely, 2^12800687424 is an apocalyptic number.

12800687424 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

12800687424 is an abundant number, since it is smaller than the sum of its proper divisors (25906157184).

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

12800687424 is an equidigital number, since it uses as much as digits as its factorization.

12800687424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9524343 (or 9524333 counting only the distinct ones).

The product of its (nonzero) digits is 172032, while the sum is 42.

The spelling of 12800687424 in words is "twelve billion, eight hundred million, six hundred eighty-seven thousand, four hundred twenty-four".