12798666504 has 96 divisors (see below), whose sum is σ = 37362124800. Its totient is φ = 3934604160.

The previous prime is 12798666497. The next prime is 12798666521. The reversal of 12798666504 is 40566689721.

12798666504 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×12798666504² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1191799 + ... + 1202489.

It is an arithmetic number, because the mean of its divisors is an integer number (389188800).

Almost surely, 2^12798666504 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12798666504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18681062400).

12798666504 is an abundant number, since it is smaller than the sum of its proper divisors (24563458296).

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

12798666504 is a wasteful number, since it uses less digits than its factorization.

12798666504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11995 (or 11988 counting only the distinct ones).

The product of its (nonzero) digits is 4354560, while the sum is 54.

The spelling of 12798666504 in words is "twelve billion, seven hundred ninety-eight million, six hundred sixty-six thousand, five hundred four".