12676384640 has 32 divisors (see below), whose sum is σ = 30304483560. Its totient is φ = 5070553600.

The previous prime is 12676384639. The next prime is 12676384661. The reversal of 12676384640 is 4648367621.

It is a tau number, because it is divible by the number of its divisors (32).

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, 9902786 + ... + 9904065.

Almost surely, 2^12676384640 is an apocalyptic number.

12676384640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12676384640 is an abundant number, since it is smaller than the sum of its proper divisors (17628098920).

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

12676384640 is an equidigital number, since it uses as much as digits as its factorization.

12676384640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19806870 (or 19806858 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 47.

The spelling of 12676384640 in words is "twelve billion, six hundred seventy-six million, three hundred eighty-four thousand, six hundred forty".