11328880 has 80 divisors (see below), whose sum is σ = 28283904. Its totient is φ = 4209920.

The previous prime is 11328827. The next prime is 11328881. The reversal of 11328880 is 8882311.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11328881) 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 15 ways as a sum of consecutive naturals, for example, 86415 + ... + 86545.

Almost surely, 2^11328880 is an apocalyptic number.

11328880 is a gapful number since it is divisible by the number (10) 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 11328880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14141952).

11328880 is an abundant number, since it is smaller than the sum of its proper divisors (16955024).

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

11328880 is a wasteful number, since it uses less digits than its factorization.

11328880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214 (or 208 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 31.

The square root of 11328880 is about 3365.8401625746. The cubic root of 11328880 is about 224.5927117435.

The spelling of 11328880 in words is "eleven million, three hundred twenty-eight thousand, eight hundred eighty".