6723212 has 6 divisors (see below), whose sum is σ = 11765628. Its totient is φ = 3361604.

The previous prime is 6723193. The next prime is 6723217. The reversal of 6723212 is 2123276.

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (6723217) 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 as a sum of consecutive naturals, namely, 840398 + ... + 840405.

It is an arithmetic number, because the mean of its divisors is an integer number (1960938).

Almost surely, 2^6723212 is an apocalyptic number.

It is an amenable number.

6723212 is a deficient number, since it is larger than the sum of its proper divisors (5042416).

6723212 is a wasteful number, since it uses less digits than its factorization.

6723212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1680807 (or 1680805 counting only the distinct ones).

The product of its digits is 1008, while the sum is 23.

The square root of 6723212 is about 2592.9157333010. The cubic root of 6723212 is about 188.7378203623.

Adding to 6723212 its reverse (2123276), we get a palindrome (8846488).

The spelling of 6723212 in words is "six million, seven hundred twenty-three thousand, two hundred twelve".