812460 has 48 divisors (see below), whose sum is σ = 2483712. Its totient is φ = 196800.

The previous prime is 812443. The next prime is 812467. The reversal of 812460 is 64218.

812460 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (21) coincides with the sum of the digits of its prime factors.

It is a nialpdrome in base 12.

It is not an unprimeable number, because it can be changed into a prime (812467) 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, 45 + ... + 1275.

It is an arithmetic number, because the mean of its divisors is an integer number (51744).

2⁸¹²⁴⁶⁰ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 812460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1241856).

812460 is an abundant number, since it is smaller than the sum of its proper divisors (1671252).

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

812460 is a wasteful number, since it uses less digits than its factorization.

812460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1254 (or 1252 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 812460 is about 901.3656305851. The cubic root of 812460 is about 93.3112476087.

Adding to 812460 its reverse (64218), we get a palindrome (876678).

The spelling of 812460 in words is "eight hundred twelve thousand, four hundred sixty".