6213713 has 12 divisors (see below), whose sum is σ = 6918660. Its totient is φ = 5575680.

The previous prime is 6213689. The next prime is 6213719. The reversal of 6213713 is 3173126.

It is a happy number.

6213713 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 4231249 + 1982464 = 2057^2 + 1408^2 .

It is not a de Polignac number, because 6213713 - 2²⁰ = 5165137 is a prime.

It is a super-2 number, since 2×6213713² = 77220458492738, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6213719) 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 11 ways as a sum of consecutive naturals, for example, 10481 + ... + 11057.

It is an arithmetic number, because the mean of its divisors is an integer number (576555).

Almost surely, 2^6213713 is an apocalyptic number.

It is an amenable number.

6213713 is a deficient number, since it is larger than the sum of its proper divisors (704947).

6213713 is a wasteful number, since it uses less digits than its factorization.

6213713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 688 (or 677 counting only the distinct ones).

The product of its digits is 756, while the sum is 23.

The square root of 6213713 is about 2492.7320353379. The cubic root of 6213713 is about 183.8443962513.

Adding to 6213713 its reverse (3173126), we get a palindrome (9386839).

It can be divided in two parts, 621 and 3713, that added together give a palindrome (4334).

The spelling of 6213713 in words is "six million, two hundred thirteen thousand, seven hundred thirteen".