12487000897 has 24 divisors (see below), whose sum is σ = 14790733920. Its totient is φ = 10508319360.

The previous prime is 12487000891. The next prime is 12487000927. The reversal of 12487000897 is 79800078421.

It is a de Polignac number, because none of the positive numbers 2^k-12487000897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12487000891) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2735497 + ... + 2740057.

It is an arithmetic number, because the mean of its divisors is an integer number (616280580).

Almost surely, 2^12487000897 is an apocalyptic number.

12487000897 is the 55873-rd decagonal number.

It is an amenable number.

12487000897 is a deficient number, since it is larger than the sum of its proper divisors (2303733023).

12487000897 is an equidigital number, since it uses as much as digits as its factorization.

12487000897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5581 (or 5574 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 46.

The spelling of 12487000897 in words is "twelve billion, four hundred eighty-seven million, eight hundred ninety-seven", and thus it is an aban number.