12796862620 has 72 divisors (see below), whose sum is σ = 27944300160. Its totient is φ = 4917392640.

The previous prime is 12796862593. The next prime is 12796862627. The reversal of 12796862620 is 2626869721.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12796862627) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 46197922 + ... + 46198198.

It is an arithmetic number, because the mean of its divisors is an integer number (388115280).

Almost surely, 2^12796862620 is an apocalyptic number.

12796862620 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 12796862620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13972150080).

12796862620 is an abundant number, since it is smaller than the sum of its proper divisors (15147437540).

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

12796862620 is a wasteful number, since it uses less digits than its factorization.

12796862620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 863 (or 584 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 49.

The spelling of 12796862620 in words is "twelve billion, seven hundred ninety-six million, eight hundred sixty-two thousand, six hundred twenty".