12740403708 has 48 divisors (see below), whose sum is σ = 34466799360. Its totient is φ = 4062156912.

The previous prime is 12740403701. The next prime is 12740403719. The reversal of 12740403708 is 80730404721.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12740403701) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2562010 + ... + 2566977.

It is an arithmetic number, because the mean of its divisors is an integer number (718058320).

Almost surely, 2^12740403708 is an apocalyptic number.

12740403708 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

12740403708 is an abundant number, since it is smaller than the sum of its proper divisors (21726395652).

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

12740403708 is a wasteful number, since it uses less digits than its factorization.

12740403708 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5129023 (or 5129015 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 36.

The spelling of 12740403708 in words is "twelve billion, seven hundred forty million, four hundred three thousand, seven hundred eight".