12810806 has 16 divisors (see below), whose sum is σ = 19846944. Its totient is φ = 6197184.

The previous prime is 12810799. The next prime is 12810821. The reversal of 12810806 is 60801821.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 16871 + ... + 17613.

It is an arithmetic number, because the mean of its divisors is an integer number (1240434).

Almost surely, 2^12810806 is an apocalyptic number.

12810806 is a deficient number, since it is larger than the sum of its proper divisors (7036138).

12810806 is a wasteful number, since it uses less digits than its factorization.

12810806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1015.

The product of its (nonzero) digits is 768, while the sum is 26.

The square root of 12810806 is about 3579.2186298129. The cubic root of 12810806 is about 233.9872274909.

The spelling of 12810806 in words is "twelve million, eight hundred ten thousand, eight hundred six".