12897334460 has 24 divisors (see below), whose sum is σ = 27180118896. Its totient is φ = 5140702080.

The previous prime is 12897334447. The next prime is 12897334469. The reversal of 12897334460 is 6443379821.

12897334460 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12897334469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1133681 + ... + 1145000.

It is an arithmetic number, because the mean of its divisors is an integer number (1132504954).

Almost surely, 2^12897334460 is an apocalyptic number.

12897334460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12897334460 is an abundant number, since it is smaller than the sum of its proper divisors (14282784436).

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

12897334460 is a wasteful number, since it uses less digits than its factorization.

12897334460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2278973 (or 2278971 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 47.

The spelling of 12897334460 in words is "twelve billion, eight hundred ninety-seven million, three hundred thirty-four thousand, four hundred sixty".