12724842798 has 32 divisors (see below), whose sum is σ = 28675710720. Its totient is φ = 4181871960.

The previous prime is 12724842787. The next prime is 12724842817. The reversal of 12724842798 is 89724842721.

12724842798 is a `hidden beast` number, since 1 + 2 + 72 + 484 + 2 + 7 + 98 = 666.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

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, 1655640 + ... + 1663307.

It is an arithmetic number, because the mean of its divisors is an integer number (896115960).

Almost surely, 2^12724842798 is an apocalyptic number.

12724842798 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

12724842798 is an abundant number, since it is smaller than the sum of its proper divisors (15950867922).

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

12724842798 is a wasteful number, since it uses less digits than its factorization.

12724842798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3319029 (or 3319023 counting only the distinct ones).

The product of its digits is 3612672, while the sum is 54.

The spelling of 12724842798 in words is "twelve billion, seven hundred twenty-four million, eight hundred forty-two thousand, seven hundred ninety-eight".