12677694720 has 144 divisors (see below), whose sum is σ = 40551259392. Its totient is φ = 3375554560.

The previous prime is 12677694713. The next prime is 12677694761. The reversal of 12677694720 is 2749677621.

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, 2966185 + ... + 2970455.

It is an arithmetic number, because the mean of its divisors is an integer number (281605968).

Almost surely, 2^12677694720 is an apocalyptic number.

12677694720 is a gapful number since it is divisible by the number (10) 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 12677694720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20275629696).

12677694720 is an abundant number, since it is smaller than the sum of its proper divisors (27873564672).

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

12677694720 is an equidigital number, since it uses as much as digits as its factorization.

12677694720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5068 (or 5054 counting only the distinct ones).

The product of its (nonzero) digits is 1778112, while the sum is 51.

The spelling of 12677694720 in words is "twelve billion, six hundred seventy-seven million, six hundred ninety-four thousand, seven hundred twenty".