812526 has 32 divisors (see below), whose sum is σ = 1911168. Its totient is φ = 227040.

The previous prime is 812519. The next prime is 812527. The reversal of 812526 is 625218.

It is a zygodrome in base 12.

It is a junction number, because it is equal to n+sod(n) for n = 812496 and 812505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (812527) by changing a digit.

812526 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 in 15 ways as a sum of consecutive naturals, for example, 385 + ... + 1331.

It is an arithmetic number, because the mean of its divisors is an integer number (59724).

2⁸¹²⁵²⁶ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 812526, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (955584).

812526 is an abundant number, since it is smaller than the sum of its proper divisors (1098642).

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

812526 is a wasteful number, since it uses less digits than its factorization.

812526 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 976.

The product of its digits is 960, while the sum is 24.

The square root of 812526 is about 901.4022409557. The cubic root of 812526 is about 93.3137742461.

The spelling of 812526 in words is "eight hundred twelve thousand, five hundred twenty-six".