11328212 has 36 divisors (see below), whose sum is σ = 23868180. Its totient is φ = 4685184.

The previous prime is 11328211. The next prime is 11328271. The reversal of 11328212 is 21282311.

It can be written as a sum of positive squares in 2 ways, for example, as 7150276 + 4177936 = 2674^2 + 2044^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11328211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4688 + ... + 6680.

It is an arithmetic number, because the mean of its divisors is an integer number (663005).

Almost surely, 2^11328212 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 11328212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11934090).

11328212 is an abundant number, since it is smaller than the sum of its proper divisors (12539968).

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

11328212 is a wasteful number, since it uses less digits than its factorization.

11328212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2040 (or 2031 counting only the distinct ones).

The product of its digits is 192, while the sum is 20.

The square root of 11328212 is about 3365.7409288298. The cubic root of 11328212 is about 224.5882973360.

The spelling of 11328212 in words is "eleven million, three hundred twenty-eight thousand, two hundred twelve".