12894895980 has 48 divisors (see below), whose sum is σ = 40117455840. Its totient is φ = 3438638784.

The previous prime is 12894895969. The next prime is 12894896039. The reversal of 12894895980 is 8959849821.

12894895980 is a `hidden beast` number, since 1 + 28 + 9 + 489 + 59 + 80 = 666.

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, 11939179 + ... + 11940258.

It is an arithmetic number, because the mean of its divisors is an integer number (835780330).

Almost surely, 2^12894895980 is an apocalyptic number.

12894895980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12894895980 is an abundant number, since it is smaller than the sum of its proper divisors (27222559860).

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

12894895980 is a wasteful number, since it uses less digits than its factorization.

12894895980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23879455 (or 23879447 counting only the distinct ones).

The product of its (nonzero) digits is 14929920, while the sum is 63.

The spelling of 12894895980 in words is "twelve billion, eight hundred ninety-four million, eight hundred ninety-five thousand, nine hundred eighty".