812276 has 12 divisors (see below), whose sum is σ = 1445220. Its totient is φ = 399360.

The previous prime is 812267. The next prime is 812281. The reversal of 812276 is 672218.

812276 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 2 ways, for example, as 139876 + 672400 = 374^2 + 820^2 .

It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1421 + ... + 1908.

It is an arithmetic number, because the mean of its divisors is an integer number (120435).

2⁸¹²²⁷⁶ is an apocalyptic number.

It is an amenable number.

812276 is a deficient number, since it is larger than the sum of its proper divisors (632944).

812276 is a wasteful number, since it uses less digits than its factorization.

812276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3394 (or 3392 counting only the distinct ones).

The product of its digits is 1344, while the sum is 26.

The square root of 812276 is about 901.2635574570. The cubic root of 812276 is about 93.3042029272.

The spelling of 812276 in words is "eight hundred twelve thousand, two hundred seventy-six".