812026 has 4 divisors (see below), whose sum is σ = 1218042. Its totient is φ = 406012.

The previous prime is 812011. The next prime is 812033. The reversal of 812026 is 620218.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 811801 + 225 = 901^2 + 15^2 .

It is a junction number, because it is equal to n+sod(n) for n = 811994 and 812012.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 203005 + ... + 203008.

2⁸¹²⁰²⁶ is an apocalyptic number.

812026 is a deficient number, since it is larger than the sum of its proper divisors (406016).

812026 is a wasteful number, since it uses less digits than its factorization.

812026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 406015.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 812026 is about 901.1248526148. The cubic root of 812026 is about 93.2946296441.

Adding to 812026 its product of nonzero digits (192), we get a palindrome (812218).

The spelling of 812026 in words is "eight hundred twelve thousand, twenty-six".