812630 has 64 divisors (see below), whose sum is σ = 1935360. Its totient is φ = 238464.

The previous prime is 812627. The next prime is 812633. The reversal of 812630 is 36218.

812630 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (812627) and next prime (812633).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (812633) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17267 + ... + 17313.

It is an arithmetic number, because the mean of its divisors is an integer number (30240).

2⁸¹²⁶³⁰ is an apocalyptic number.

812630 is an abundant number, since it is smaller than the sum of its proper divisors (1122730).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

812630 is a wasteful number, since it uses less digits than its factorization.

812630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 812630 is about 901.4599270073. The cubic root of 812630 is about 93.3177553366.

Adding to 812630 its reverse (36218), we get a palindrome (848848).

The spelling of 812630 in words is "eight hundred twelve thousand, six hundred thirty".