12893651680 has 96 divisors (see below), whose sum is σ = 37490814144. Its totient is φ = 4080623616.

The previous prime is 12893651663. The next prime is 12893651681. The reversal of 12893651680 is 8615639821.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12893651681) 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, 428217 + ... + 457336.

It is an arithmetic number, because the mean of its divisors is an integer number (390529314).

Almost surely, 2^12893651680 is an apocalyptic number.

12893651680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12893651680 is an abundant number, since it is smaller than the sum of its proper divisors (24597162464).

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

12893651680 is a wasteful number, since it uses less digits than its factorization.

12893651680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 885588 (or 885580 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 49.

The spelling of 12893651680 in words is "twelve billion, eight hundred ninety-three million, six hundred fifty-one thousand, six hundred eighty".