812235 has 16 divisors (see below), whose sum is σ = 1311264. Its totient is φ = 429312.

The previous prime is 812233. The next prime is 812249. The reversal of 812235 is 532218.

812235 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 812235 - 2¹ = 812233 is a prime.

It is not an unprimeable number, because it can be changed into a prime (812233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2439 + ... + 2751.

It is an arithmetic number, because the mean of its divisors is an integer number (81954).

2⁸¹²²³⁵ is an apocalyptic number.

812235 is a deficient number, since it is larger than the sum of its proper divisors (499029).

812235 is a wasteful number, since it uses less digits than its factorization.

812235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 494.

The product of its digits is 480, while the sum is 21.

The square root of 812235 is about 901.2408113263. The cubic root of 812235 is about 93.3026330434.

The spelling of 812235 in words is "eight hundred twelve thousand, two hundred thirty-five".