12860727280 has 20 divisors (see below), whose sum is σ = 29901191112. Its totient is φ = 5144290880.

The previous prime is 12860727259. The next prime is 12860727317. The reversal of 12860727280 is 8272706821.

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80379466 + ... + 80379625.

Almost surely, 2^12860727280 is an apocalyptic number.

12860727280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12860727280 is an abundant number, since it is smaller than the sum of its proper divisors (17040463832).

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

12860727280 is a wasteful number, since it uses less digits than its factorization.

12860727280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160759104 (or 160759098 counting only the distinct ones).

The product of its (nonzero) digits is 150528, while the sum is 43.

The spelling of 12860727280 in words is "twelve billion, eight hundred sixty million, seven hundred twenty-seven thousand, two hundred eighty".