12793676780 has 24 divisors (see below), whose sum is σ = 26872071408. Its totient is φ = 5116451648.

The previous prime is 12793676747. The next prime is 12793676789. The reversal of 12793676780 is 8767639721.

It is a super-2 number, since 2×12793676780² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12793676789) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43667 + ... + 165813.

It is an arithmetic number, because the mean of its divisors is an integer number (1119669642).

Almost surely, 2^12793676780 is an apocalyptic number.

12793676780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12793676780 is an abundant number, since it is smaller than the sum of its proper divisors (14078394628).

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

12793676780 is a wasteful number, since it uses less digits than its factorization.

12793676780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127393 (or 127391 counting only the distinct ones).

The product of its (nonzero) digits is 5334336, while the sum is 56.

The spelling of 12793676780 in words is "twelve billion, seven hundred ninety-three million, six hundred seventy-six thousand, seven hundred eighty".