12708729576 has 160 divisors (see below), whose sum is σ = 39674448000. Its totient is φ = 3777145344.

The previous prime is 12708729521. The next prime is 12708729587. The reversal of 12708729576 is 67592780721.

It is a happy number.

12708729576 is a `hidden beast` number, since 1 + 270 + 87 + 295 + 7 + 6 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 178945 + ... + 239663.

It is an arithmetic number, because the mean of its divisors is an integer number (247965300).

Almost surely, 2^12708729576 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 12708729576, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19837224000).

12708729576 is an abundant number, since it is smaller than the sum of its proper divisors (26965718424).

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

12708729576 is a wasteful number, since it uses less digits than its factorization.

12708729576 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60773 (or 60760 counting only the distinct ones).

The product of its (nonzero) digits is 2963520, while the sum is 54.

The spelling of 12708729576 in words is "twelve billion, seven hundred eight million, seven hundred twenty-nine thousand, five hundred seventy-six".