12814863868 has 18 divisors (see below), whose sum is σ = 22464646904. Its totient is φ = 6396402864.

The previous prime is 12814863851. The next prime is 12814863871. The reversal of 12814863868 is 86836841821.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6494130 + ... + 6496102.

Almost surely, 2^12814863868 is an apocalyptic number.

It is an amenable number.

12814863868 is a deficient number, since it is larger than the sum of its proper divisors (9649783036).

12814863868 is an frugal number, since it uses more digits than its factorization.

12814863868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4773 (or 2798 counting only the distinct ones).

The product of its digits is 3538944, while the sum is 55.

The spelling of 12814863868 in words is "twelve billion, eight hundred fourteen million, eight hundred sixty-three thousand, eight hundred sixty-eight".