12913723098 has 24 divisors (see below), whose sum is σ = 27984834228. Its totient is φ = 4303789632.

The previous prime is 12913723051. The next prime is 12913723111. The reversal of 12913723098 is 89032731921.

It can be written as a sum of positive squares in 2 ways, for example, as 9413462529 + 3500260569 = 97023^2 + 59163^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40740 + ... + 165792.

Almost surely, 2^12913723098 is an apocalyptic number.

12913723098 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

12913723098 is an abundant number, since it is smaller than the sum of its proper divisors (15071111130).

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

12913723098 is a wasteful number, since it uses less digits than its factorization.

12913723098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130798 (or 130795 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 45.

The spelling of 12913723098 in words is "twelve billion, nine hundred thirteen million, seven hundred twenty-three thousand, ninety-eight".