12579889476 has 96 divisors (see below), whose sum is σ = 36696748032. Its totient is φ = 3258512640.

The previous prime is 12579889451. The next prime is 12579889477. The reversal of 12579889476 is 67498897521.

12579889476 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (66).

It is not an unprimeable number, because it can be changed into a prime (12579889477) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 320560 + ... + 357656.

It is an arithmetic number, because the mean of its divisors is an integer number (382257792).

Almost surely, 2^12579889476 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 12579889476, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18348374016).

12579889476 is an abundant number, since it is smaller than the sum of its proper divisors (24116858556).

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

12579889476 is a wasteful number, since it uses less digits than its factorization.

12579889476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37489 (or 37487 counting only the distinct ones).

The product of its digits is 60963840, while the sum is 66.

The spelling of 12579889476 in words is "twelve billion, five hundred seventy-nine million, eight hundred eighty-nine thousand, four hundred seventy-six".