12413657887 has 4 divisors (see below), whose sum is σ = 12814098496. Its totient is φ = 12013217280.

The previous prime is 12413657881. The next prime is 12413657899. The reversal of 12413657887 is 78875631421.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12413657887 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12413657881) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 200220258 + ... + 200220319.

It is an arithmetic number, because the mean of its divisors is an integer number (3203524624).

Almost surely, 2^12413657887 is an apocalyptic number.

12413657887 is a deficient number, since it is larger than the sum of its proper divisors (400440609).

12413657887 is an equidigital number, since it uses as much as digits as its factorization.

12413657887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400440608.

The product of its digits is 2257920, while the sum is 52.

The spelling of 12413657887 in words is "twelve billion, four hundred thirteen million, six hundred fifty-seven thousand, eight hundred eighty-seven".