12589681716 has 48 divisors (see below), whose sum is σ = 33522086080. Its totient is φ = 4083138720.

The previous prime is 12589681711. The next prime is 12589681717. The reversal of 12589681716 is 61718698521.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12589681711) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1571290 + ... + 1579281.

Almost surely, 2^12589681716 is an apocalyptic number.

It is an amenable number.

12589681716 is an abundant number, since it is smaller than the sum of its proper divisors (20932404364).

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

12589681716 is a wasteful number, since it uses less digits than its factorization.

12589681716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3150621 (or 3150613 counting only the distinct ones).

The product of its digits is 1451520, while the sum is 54.

The spelling of 12589681716 in words is "twelve billion, five hundred eighty-nine million, six hundred eighty-one thousand, seven hundred sixteen".