812608 has 14 divisors (see below), whose sum is σ = 1612646. Its totient is φ = 406272.

The previous prime is 812599. The next prime is 812627. The reversal of 812608 is 806218.

It can be written as a sum of positive squares in only one way, i.e., 589824 + 222784 = 768^2 + 472^2 .

It is a nialpdrome in base 16.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6285 + ... + 6412.

It is an arithmetic number, because the mean of its divisors is an integer number (115189).

2⁸¹²⁶⁰⁸ is an apocalyptic number.

It is an amenable number.

812608 is a deficient number, since it is larger than the sum of its proper divisors (800038).

812608 is a wasteful number, since it uses less digits than its factorization.

812608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12709 (or 12699 counting only the distinct ones).

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

The square root of 812608 is about 901.4477244965. The cubic root of 812608 is about 93.3169132112.

The spelling of 812608 in words is "eight hundred twelve thousand, six hundred eight".