11171328 has 80 divisors (see below), whose sum is σ = 34045440. Its totient is φ = 3188736.

The previous prime is 11171327. The next prime is 11171333. The reversal of 11171328 is 82317111.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a nude number because it is divisible by every one of its digits and also a Zuckerman number because it is divisible by the product of its digits.

It is a nialpdrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 11171298 and 11171307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11171323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10233 + ... + 11271.

It is an arithmetic number, because the mean of its divisors is an integer number (425568).

Almost surely, 2^11171328 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 11171328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17022720).

11171328 is an abundant number, since it is smaller than the sum of its proper divisors (22874112).

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

11171328 is an equidigital number, since it uses as much as digits as its factorization.

11171328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1067 (or 1051 counting only the distinct ones).

The product of its digits is 336, while the sum is 24.

The square root of 11171328 is about 3342.3536617180. The cubic root of 11171328 is about 223.5467023505.

Adding to 11171328 its reverse (82317111), we get a palindrome (93488439).

The spelling of 11171328 in words is "eleven million, one hundred seventy-one thousand, three hundred twenty-eight".