12885806 has 8 divisors (see below), whose sum is σ = 19346160. Its totient is φ = 6437088.

The previous prime is 12885799. The next prime is 12885811. The reversal of 12885806 is 60858821.

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

It is a self number, because there is not a number n which added to its sum of digits gives 12885806.

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 3 ways as a sum of consecutive naturals, for example, 815 + ... + 5141.

It is an arithmetic number, because the mean of its divisors is an integer number (2418270).

Almost surely, 2^12885806 is an apocalyptic number.

12885806 is a deficient number, since it is larger than the sum of its proper divisors (6460354).

12885806 is a wasteful number, since it uses less digits than its factorization.

12885806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5818.

The product of its (nonzero) digits is 30720, while the sum is 38.

The square root of 12885806 is about 3589.6804871743. The cubic root of 12885806 is about 234.4429601085.

The spelling of 12885806 in words is "twelve million, eight hundred eighty-five thousand, eight hundred six".