12693407808 has 112 divisors (see below), whose sum is σ = 36175712256. Its totient is φ = 3916577280.

The previous prime is 12693407743. The next prime is 12693407813. The reversal of 12693407808 is 80870439621.

It is a super-2 number, since 2×12693407808² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

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, 90535 + ... + 183257.

Almost surely, 2^12693407808 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12693407808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18087856128).

12693407808 is an abundant number, since it is smaller than the sum of its proper divisors (23482304448).

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

12693407808 is a wasteful number, since it uses less digits than its factorization.

12693407808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92792 (or 92782 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 48.

The spelling of 12693407808 in words is "twelve billion, six hundred ninety-three million, four hundred seven thousand, eight hundred eight".