12955898687 has 2 divisors, whose sum is σ = 12955898688. Its totient is φ = 12955898686.

The previous prime is 12955898671. The next prime is 12955898701. The reversal of 12955898687 is 78689855921.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12955898687 - 2⁴ = 12955898671 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12955898387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6477949343 + 6477949344.

It is an arithmetic number, because the mean of its divisors is an integer number (6477949344).

Almost surely, 2^12955898687 is an apocalyptic number.

12955898687 is a deficient number, since it is larger than the sum of its proper divisors (1).

12955898687 is an equidigital number, since it uses as much as digits as its factorization.

12955898687 is an evil number, because the sum of its binary digits is even.

The product of its digits is 87091200, while the sum is 68.

The spelling of 12955898687 in words is "twelve billion, nine hundred fifty-five million, eight hundred ninety-eight thousand, six hundred eighty-seven".