6623312 has 20 divisors (see below), whose sum is σ = 12960480. Its totient is φ = 3278688.

The previous prime is 6623311. The next prime is 6623321. The reversal of 6623312 is 2133266.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6623311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 362 + ... + 3657.

It is an arithmetic number, because the mean of its divisors is an integer number (648024).

Almost surely, 2^6623312 is an apocalyptic number.

It is an amenable number.

6623312 is a deficient number, since it is larger than the sum of its proper divisors (6337168).

6623312 is a wasteful number, since it uses less digits than its factorization.

6623312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4130 (or 4124 counting only the distinct ones).

The product of its digits is 1296, while the sum is 23.

The square root of 6623312 is about 2573.5796082500. The cubic root of 6623312 is about 187.7983351351.

Adding to 6623312 its reverse (2133266), we get a palindrome (8756578).

The spelling of 6623312 in words is "six million, six hundred twenty-three thousand, three hundred twelve".