812368 has 10 divisors (see below), whose sum is σ = 1573994. Its totient is φ = 406176.

The previous prime is 812363. The next prime is 812381. The reversal of 812368 is 863218.

It can be written as a sum of positive squares in only one way, i.e., 760384 + 51984 = 872^2 + 228^2 .

It is a plaindrome in base 13.

It is a nialpdrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (812363) by changing a digit.

812368 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25371 + ... + 25402.

2⁸¹²³⁶⁸ is an apocalyptic number.

It is an amenable number.

812368 is a deficient number, since it is larger than the sum of its proper divisors (761626).

812368 is a wasteful number, since it uses less digits than its factorization.

812368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50781 (or 50775 counting only the distinct ones).

The product of its digits is 2304, while the sum is 28.

The square root of 812368 is about 901.3145954660. The cubic root of 812368 is about 93.3077254009.

The spelling of 812368 in words is "eight hundred twelve thousand, three hundred sixty-eight".