5810812 has 36 divisors (see below), whose sum is σ = 12353040. Its totient is φ = 2380224.

The previous prime is 5810803. The next prime is 5810863. The reversal of 5810812 is 2180185.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3864 + ... + 5152.

It is an arithmetic number, because the mean of its divisors is an integer number (343140).

Almost surely, 2^5810812 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 5810812, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6176520).

5810812 is an abundant number, since it is smaller than the sum of its proper divisors (6542228).

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

5810812 is a wasteful number, since it uses less digits than its factorization.

5810812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1330 (or 1321 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 25.

The square root of 5810812 is about 2410.5625899362. The cubic root of 5810812 is about 179.7817519444.

Adding to 5810812 its reverse (2180185), we get a palindrome (7990997).

The spelling of 5810812 in words is "five million, eight hundred ten thousand, eight hundred twelve".