12893941980 has 72 divisors (see below), whose sum is σ = 39198978000. Its totient is φ = 3430705152.

The previous prime is 12893941969. The next prime is 12893941997. The reversal of 12893941980 is 8914939821.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1051 + ... + 160589.

It is an arithmetic number, because the mean of its divisors is an integer number (544430250).

Almost surely, 2^12893941980 is an apocalyptic number.

12893941980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12893941980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19599489000).

12893941980 is an abundant number, since it is smaller than the sum of its proper divisors (26305036020).

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

12893941980 is a wasteful number, since it uses less digits than its factorization.

12893941980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160003 (or 159998 counting only the distinct ones).

The product of its (nonzero) digits is 1119744, while the sum is 54.

The spelling of 12893941980 in words is "twelve billion, eight hundred ninety-three million, nine hundred forty-one thousand, nine hundred eighty".