812572 has 12 divisors (see below), whose sum is σ = 1468096. Its totient is φ = 393120.

The previous prime is 812527. The next prime is 812587. The reversal of 812572 is 275218.

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is a zygodrome in base 2.

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, 3153 + ... + 3400.

2⁸¹²⁵⁷² is an apocalyptic number.

It is an amenable number.

812572 is a deficient number, since it is larger than the sum of its proper divisors (655524).

812572 is a wasteful number, since it uses less digits than its factorization.

812572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6588 (or 6586 counting only the distinct ones).

The product of its digits is 1120, while the sum is 25.

The square root of 812572 is about 901.4277563954. The cubic root of 812572 is about 93.3155351549.

It can be divided in two parts, 812 and 572, that multiplied together give a palindrome (464464).

The spelling of 812572 in words is "eight hundred twelve thousand, five hundred seventy-two".