12955898699 has 4 divisors (see below), whose sum is σ = 12956713536. Its totient is φ = 12955083864.

The previous prime is 12955898687. The next prime is 12955898701. The reversal of 12955898699 is 99689855921.

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-12955898699 is a prime.

It is a super-2 number, since 2×12955898699² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12955898609) 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, 383084 + ... + 415529.

It is an arithmetic number, because the mean of its divisors is an integer number (3239178384).

Almost surely, 2^12955898699 is an apocalyptic number.

12955898699 is a deficient number, since it is larger than the sum of its proper divisors (814837).

12955898699 is an equidigital number, since it uses as much as digits as its factorization.

12955898699 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 814836.

The product of its digits is 125971200, while the sum is 71.

The spelling of 12955898699 in words is "twelve billion, nine hundred fifty-five million, eight hundred ninety-eight thousand, six hundred ninety-nine".