6612213 has 4 divisors (see below), whose sum is σ = 8816288. Its totient is φ = 4408140.

The previous prime is 6612197. The next prime is 6612223. The reversal of 6612213 is 3122166.

It is a happy number.

6612213 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 6612213 - 2⁴ = 6612197 is a prime.

It is a D-number.

It is a Duffinian number.

6612213 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 6612213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6612223) 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, 1102033 + ... + 1102038.

It is an arithmetic number, because the mean of its divisors is an integer number (2204072).

Almost surely, 2^6612213 is an apocalyptic number.

It is an amenable number.

6612213 is a deficient number, since it is larger than the sum of its proper divisors (2204075).

6612213 is a wasteful number, since it uses less digits than its factorization.

6612213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2204074.

The product of its digits is 432, while the sum is 21.

The square root of 6612213 is about 2571.4223690401. The cubic root of 6612213 is about 187.6933756072.

Adding to 6612213 its reverse (3122166), we get a palindrome (9734379).

The spelling of 6612213 in words is "six million, six hundred twelve thousand, two hundred thirteen".