12807525798 has 24 divisors (see below), whose sum is σ = 28426461336. Its totient is φ = 4165048800.

The previous prime is 12807525763. The next prime is 12807525799. The reversal of 12807525798 is 89752570821.

12807525798 is a `hidden beast` number, since 1 + 28 + 0 + 7 + 525 + 7 + 98 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12807525799) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8676448 + ... + 8677923.

It is an arithmetic number, because the mean of its divisors is an integer number (1184435889).

Almost surely, 2^12807525798 is an apocalyptic number.

12807525798 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

12807525798 is an abundant number, since it is smaller than the sum of its proper divisors (15618935538).

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

12807525798 is a wasteful number, since it uses less digits than its factorization.

12807525798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17354420 (or 17354417 counting only the distinct ones).

The product of its (nonzero) digits is 2822400, while the sum is 54.

The spelling of 12807525798 in words is "twelve billion, eight hundred seven million, five hundred twenty-five thousand, seven hundred ninety-eight".