2006812 has 6 divisors (see below), whose sum is σ = 3511928. Its totient is φ = 1003404.

The previous prime is 2006791. The next prime is 2006813. The reversal of 2006812 is 2186002.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 2006812.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2006813) 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 as a sum of consecutive naturals, namely, 250848 + ... + 250855.

2^2006812 is an apocalyptic number.

It is an amenable number.

2006812 is a deficient number, since it is larger than the sum of its proper divisors (1505116).

2006812 is a wasteful number, since it uses less digits than its factorization.

2006812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 501707 (or 501705 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 2006812 is about 1416.6199207974. The cubic root of 2006812 is about 126.1349859311.

The spelling of 2006812 in words is "two million, six thousand, eight hundred twelve".