12746109584 has 80 divisors (see below), whose sum is σ = 28236942720. Its totient is φ = 5521582080.

The previous prime is 12746109577. The next prime is 12746109599. The reversal of 12746109584 is 48590164721.

It is a happy 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, 1335389 + ... + 1344899.

It is an arithmetic number, because the mean of its divisors is an integer number (352961784).

Almost surely, 2^12746109584 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 12746109584, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14118471360).

12746109584 is an abundant number, since it is smaller than the sum of its proper divisors (15490833136).

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

12746109584 is a wasteful number, since it uses less digits than its factorization.

12746109584 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9928 (or 9922 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 47.

The spelling of 12746109584 in words is "twelve billion, seven hundred forty-six million, one hundred nine thousand, five hundred eighty-four".