6553812 has 12 divisors (see below), whose sum is σ = 15292256. Its totient is φ = 2184600.

The previous prime is 6553801. The next prime is 6553817. The reversal of 6553812 is 2183556.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 6553812.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6553817) 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, 273064 + ... + 273087.

Almost surely, 2^6553812 is an apocalyptic number.

It is an amenable number.

6553812 is an abundant number, since it is smaller than the sum of its proper divisors (8738444).

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

6553812 is a wasteful number, since it uses less digits than its factorization.

6553812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 546158 (or 546156 counting only the distinct ones).

The product of its digits is 7200, while the sum is 30.

The square root of 6553812 is about 2560.0414059151. The cubic root of 6553812 is about 187.1391531007.

The spelling of 6553812 in words is "six million, five hundred fifty-three thousand, eight hundred twelve".