12746113408 has 64 divisors (see below), whose sum is σ = 30020925600. Its totient is φ = 5274243072.

The previous prime is 12746113403. The next prime is 12746113447. The reversal of 12746113408 is 80431164721.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12746113403) 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, 219285 + ... + 271252.

Almost surely, 2^12746113408 is an apocalyptic number.

It is an amenable number.

12746113408 is an abundant number, since it is smaller than the sum of its proper divisors (17274812192).

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

12746113408 is an equidigital number, since it uses as much as digits as its factorization.

12746113408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 490587 (or 490575 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 37.

The spelling of 12746113408 in words is "twelve billion, seven hundred forty-six million, one hundred thirteen thousand, four hundred eight".