12697794260 has 12 divisors (see below), whose sum is σ = 26665367988. Its totient is φ = 5079117696.

The previous prime is 12697794233. The next prime is 12697794269. The reversal of 12697794260 is 6249779621.

It can be written as a sum of positive squares in 2 ways, for example, as 7493326096 + 5204468164 = 86564^2 + 72142^2 .

It is a super-2 number, since 2×12697794260² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12697794269) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 317444837 + ... + 317444876.

It is an arithmetic number, because the mean of its divisors is an integer number (2222113999).

Almost surely, 2^12697794260 is an apocalyptic number.

12697794260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12697794260 is an abundant number, since it is smaller than the sum of its proper divisors (13967573728).

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

12697794260 is a wasteful number, since it uses less digits than its factorization.

12697794260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 634889722 (or 634889720 counting only the distinct ones).

The product of its (nonzero) digits is 2286144, while the sum is 53.

The spelling of 12697794260 in words is "twelve billion, six hundred ninety-seven million, seven hundred ninety-four thousand, two hundred sixty".