12916863 has 24 divisors (see below), whose sum is σ = 19575296. Its totient is φ = 8197200.

The previous prime is 12916859. The next prime is 12916867. The reversal of 12916863 is 36861921.

It is an interprime number because it is at equal distance from previous prime (12916859) and next prime (12916867).

It is not a de Polignac number, because 12916863 - 2² = 12916859 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12916867) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18348 + ... + 19038.

Almost surely, 2^12916863 is an apocalyptic number.

12916863 is a deficient number, since it is larger than the sum of its proper divisors (6658433).

12916863 is a wasteful number, since it uses less digits than its factorization.

12916863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 795 (or 792 counting only the distinct ones).

The product of its digits is 15552, while the sum is 36.

The square root of 12916863 is about 3594.0037562585. The cubic root of 12916863 is about 234.6311582253.

The spelling of 12916863 in words is "twelve million, nine hundred sixteen thousand, eight hundred sixty-three".