11328552 has 64 divisors (see below), whose sum is σ = 31752000. Its totient is φ = 3742272.

The previous prime is 11328539. The next prime is 11328557. The reversal of 11328552 is 25582311.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (11328557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38518 + ... + 38810.

It is an arithmetic number, because the mean of its divisors is an integer number (496125).

Almost surely, 2^11328552 is an apocalyptic number.

11328552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11328552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15876000).

11328552 is an abundant number, since it is smaller than the sum of its proper divisors (20423448).

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

11328552 is a wasteful number, since it uses less digits than its factorization.

11328552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 487 (or 477 counting only the distinct ones).

The product of its digits is 2400, while the sum is 27.

The square root of 11328552 is about 3365.7914373888. The cubic root of 11328552 is about 224.5905442118.

The spelling of 11328552 in words is "eleven million, three hundred twenty-eight thousand, five hundred fifty-two".