8065812 has 12 divisors (see below), whose sum is σ = 18820256. Its totient is φ = 2688600.

The previous prime is 8065793. The next prime is 8065819. The reversal of 8065812 is 2185608.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 8065812.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8065819) by changing a digit.

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, 336064 + ... + 336087.

Almost surely, 2^8065812 is an apocalyptic number.

It is an amenable number.

8065812 is an abundant number, since it is smaller than the sum of its proper divisors (10754444).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8065812 is a wasteful number, since it uses less digits than its factorization.

8065812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 672158 (or 672156 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 30.

The square root of 8065812 is about 2840.0373236984. The cubic root of 8065812 is about 200.5469362735.

The spelling of 8065812 in words is "eight million, sixty-five thousand, eight hundred twelve".