5712820 has 12 divisors (see below), whose sum is σ = 11996964. Its totient is φ = 2285120.

The previous prime is 5712769. The next prime is 5712823. The reversal of 5712820 is 282175.

It can be written as a sum of positive squares in 2 ways, for example, as 1411344 + 4301476 = 1188^2 + 2074^2 .

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5712823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 142801 + ... + 142840.

It is an arithmetic number, because the mean of its divisors is an integer number (999747).

Almost surely, 2^5712820 is an apocalyptic number.

It is an amenable number.

5712820 is an abundant number, since it is smaller than the sum of its proper divisors (6284144).

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

5712820 is a wasteful number, since it uses less digits than its factorization.

5712820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285650 (or 285648 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 25.

The square root of 5712820 is about 2390.1506228688. The cubic root of 5712820 is about 178.7654199617.

Adding to 5712820 its reverse (282175), we get a palindrome (5994995).

The spelling of 5712820 in words is "five million, seven hundred twelve thousand, eight hundred twenty".