5812 has 6 divisors (see below), whose sum is σ = 10178. Its totient is φ = 2904.

The previous prime is 5807. The next prime is 5813. The reversal of 5812 is 2185.

It is a happy number.

5812 is nontrivially palindromic in base 6.

It can be written as a sum of positive squares in only one way, i.e., 5776 + 36 = 76^2 + 6^2 .

It is an Ulam number.

It is an alternating number because its digits alternate between odd and even.

It is a plaindrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 723 + ... + 730.

2⁵⁸¹² is an apocalyptic number.

It is an amenable number.

5812 is a deficient number, since it is larger than the sum of its proper divisors (4366).

5812 is a wasteful number, since it uses less digits than its factorization.

It is an anagram of its base 13 representation: 5812 = (2851)₁₃.

5812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1457 (or 1455 counting only the distinct ones).

The product of its digits is 80, while the sum is 16.

The square root of 5812 is about 76.2364742102. The cubic root of 5812 is about 17.9794003024.

Adding to 5812 its reverse (2185), we get a palindrome (7997).

It can be divided in two parts, 58 and 12, that multiplied together give a palindrome (696).

The spelling of 5812 in words is "five thousand, eight hundred twelve".