6824213 has 4 divisors (see below), whose sum is σ = 7444608. Its totient is φ = 6203820.

The previous prime is 6824203. The next prime is 6824219. The reversal of 6824213 is 3124286.

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 a cyclic number.

It is not a de Polignac number, because 6824213 - 2⁴ = 6824197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6824219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 310181 + ... + 310202.

It is an arithmetic number, because the mean of its divisors is an integer number (1861152).

Almost surely, 2^6824213 is an apocalyptic number.

It is an amenable number.

6824213 is a deficient number, since it is larger than the sum of its proper divisors (620395).

6824213 is a wasteful number, since it uses less digits than its factorization.

6824213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 620394.

The product of its digits is 2304, while the sum is 26.

The square root of 6824213 is about 2612.3194674465. The cubic root of 6824213 is about 189.6782458323.

Adding to 6824213 its reverse (3124286), we get a palindrome (9948499).

The spelling of 6824213 in words is "six million, eight hundred twenty-four thousand, two hundred thirteen".