12908704158 has 160 divisors (see below), whose sum is σ = 35510112000. Its totient is φ = 3493799568.

The previous prime is 12908704147. The next prime is 12908704181. The reversal of 12908704158 is 85140780921.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 1049641 + ... + 1061867.

It is an arithmetic number, because the mean of its divisors is an integer number (221938200).

Almost surely, 2^12908704158 is an apocalyptic number.

12908704158 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12908704158, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17755056000).

12908704158 is an abundant number, since it is smaller than the sum of its proper divisors (22601407842).

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

12908704158 is a wasteful number, since it uses less digits than its factorization.

12908704158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12281 (or 12258 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 45.

The spelling of 12908704158 in words is "twelve billion, nine hundred eight million, seven hundred four thousand, one hundred fifty-eight".