12810807 has 18 divisors (see below), whose sum is σ = 19534632. Its totient is φ = 8088984.

The previous prime is 12810799. The next prime is 12810821. The reversal of 12810807 is 70801821.

It is not a de Polignac number, because 12810807 - 2³ = 12810799 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12810857) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1278 + ... + 5220.

Almost surely, 2^12810807 is an apocalyptic number.

12810807 is a deficient number, since it is larger than the sum of its proper divisors (6723825).

12810807 is a wasteful number, since it uses less digits than its factorization.

12810807 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3987 (or 3965 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 27.

The square root of 12810807 is about 3579.2187695082. The cubic root of 12810807 is about 233.9872335792.

The spelling of 12810807 in words is "twelve million, eight hundred ten thousand, eight hundred seven".