806812 has 12 divisors (see below), whose sum is σ = 1418256. Its totient is φ = 401600.

The previous prime is 806807. The next prime is 806821. The reversal of 806812 is 218608.

It is a congruent number.

It is an unprimeable number.

806812 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1353 + ... + 1855.

It is an arithmetic number, because the mean of its divisors is an integer number (118188).

2⁸⁰⁶⁸¹² is an apocalyptic number.

It is an amenable number.

806812 is a deficient number, since it is larger than the sum of its proper divisors (611444).

806812 is a wasteful number, since it uses less digits than its factorization.

806812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 908 (or 906 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 25.

The square root of 806812 is about 898.2271427651. The cubic root of 806812 is about 93.0945198508.

The spelling of 806812 in words is "eight hundred six thousand, eight hundred twelve".