556713 has 24 divisors (see below), whose sum is σ = 873600. Its totient is φ = 353808.

The previous prime is 556709. The next prime is 556723. The reversal of 556713 is 317655.

It is not a de Polignac number, because 556713 - 2² = 556709 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

556713 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (556723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7008 + ... + 7086.

It is an arithmetic number, because the mean of its divisors is an integer number (36400).

2⁵⁵⁶⁷¹³ is an apocalyptic number.

It is an amenable number.

556713 is a deficient number, since it is larger than the sum of its proper divisors (316887).

556713 is an equidigital number, since it uses as much as digits as its factorization.

556713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123 (or 111 counting only the distinct ones).

The product of its digits is 3150, while the sum is 27.

The square root of 556713 is about 746.1320258507. The cubic root of 556713 is about 82.2641196123.

The spelling of 556713 in words is "five hundred fifty-six thousand, seven hundred thirteen".