6673213 has 4 divisors (see below), whose sum is σ = 6828448. Its totient is φ = 6517980.

The previous prime is 6673193. The next prime is 6673223. The reversal of 6673213 is 3123766.

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, and also an emirpimes, since its reverse is a distinct semiprime: 3123766 = 2 ⋅1561883.

It is a cyclic number.

It is not a de Polignac number, because 6673213 - 2¹⁷ = 6542141 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 (6673223) 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, 77553 + ... + 77638.

It is an arithmetic number, because the mean of its divisors is an integer number (1707112).

Almost surely, 2^6673213 is an apocalyptic number.

It is an amenable number.

6673213 is a deficient number, since it is larger than the sum of its proper divisors (155235).

6673213 is a wasteful number, since it uses less digits than its factorization.

6673213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155234.

The product of its digits is 4536, while the sum is 28.

The square root of 6673213 is about 2583.2562784207. The cubic root of 6673213 is about 188.2687889786.

Adding to 6673213 its reverse (3123766), we get a palindrome (9796979).

It can be divided in two parts, 6673 and 213, that added together give a palindrome (6886).

The spelling of 6673213 in words is "six million, six hundred seventy-three thousand, two hundred thirteen".