12955898698 has 8 divisors (see below), whose sum is σ = 19434509892. Its totient is φ = 6477728736.

The previous prime is 12955898687. The next prime is 12955898701. The reversal of 12955898698 is 89689855921.

It can be written as a sum of positive squares in 2 ways, for example, as 12633085609 + 322813089 = 112397^2 + 17967^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×12955898698² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23115 + ... + 162622.

Almost surely, 2^12955898698 is an apocalyptic number.

12955898698 is a deficient number, since it is larger than the sum of its proper divisors (6478611194).

12955898698 is a wasteful number, since it uses less digits than its factorization.

12955898698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220616.

The product of its digits is 111974400, while the sum is 70.

The spelling of 12955898698 in words is "twelve billion, nine hundred fifty-five million, eight hundred ninety-eight thousand, six hundred ninety-eight".