6693312 has 56 divisors (see below), whose sum is σ = 17995392. Its totient is φ = 2195200.

The previous prime is 6693311. The next prime is 6693319. The reversal of 6693312 is 2133966.

It is a happy number.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 6693312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6693311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13387 + ... + 13877.

Almost surely, 2^6693312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6693312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8997696).

6693312 is an abundant number, since it is smaller than the sum of its proper divisors (11302080).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6693312 is a wasteful number, since it uses less digits than its factorization.

6693312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 577 (or 567 counting only the distinct ones).

The product of its digits is 5832, while the sum is 30.

The square root of 6693312 is about 2587.1435986431. The cubic root of 6693312 is about 188.4576146472.

The spelling of 6693312 in words is "six million, six hundred ninety-three thousand, three hundred twelve".