6653312 has 32 divisors (see below), whose sum is σ = 13494600. Its totient is φ = 3266560.

The previous prime is 6653299. The next prime is 6653329. The reversal of 6653312 is 2133566.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7112 + ... + 7992.

Almost surely, 2^6653312 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 6653312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6747300).

6653312 is an abundant number, since it is smaller than the sum of its proper divisors (6841288).

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

6653312 is an equidigital number, since it uses as much as digits as its factorization.

6653312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 954 (or 942 counting only the distinct ones).

The product of its digits is 3240, while the sum is 26.

The square root of 6653312 is about 2579.4014809641. The cubic root of 6653312 is about 188.0814495423.

Adding to 6653312 its reverse (2133566), we get a palindrome (8786878).

The spelling of 6653312 in words is "six million, six hundred fifty-three thousand, three hundred twelve".