812008 has 8 divisors (see below), whose sum is σ = 1522530. Its totient is φ = 406000.

The previous prime is 811997. The next prime is 812011. The reversal of 812008 is 800218.

It is a happy number.

812008 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 669124 + 142884 = 818^2 + 378^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50743 + ... + 50758.

2⁸¹²⁰⁰⁸ is an apocalyptic number.

It is an amenable number.

812008 is a deficient number, since it is larger than the sum of its proper divisors (710522).

812008 is a wasteful number, since it uses less digits than its factorization.

812008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101507 (or 101503 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

The square root of 812008 is about 901.1148650422. The cubic root of 812008 is about 93.2939402919.

The spelling of 812008 in words is "eight hundred twelve thousand, eight".