11390528 has 28 divisors (see below), whose sum is σ = 23134320. Its totient is φ = 5561472.

The previous prime is 11390521. The next prime is 11390531. The reversal of 11390528 is 82509311.

It is a nialpdrome in base 15.

It is a zygodrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 11390528.

It is not an unprimeable number, because it can be changed into a prime (11390521) 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 3 ways as a sum of consecutive naturals, for example, 683 + ... + 4821.

Almost surely, 2^11390528 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 11390528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11567160).

11390528 is an abundant number, since it is smaller than the sum of its proper divisors (11743792).

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

11390528 is an equidigital number, since it uses as much as digits as its factorization.

11390528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4194 (or 4184 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 29.

The square root of 11390528 is about 3374.9856295990. The cubic root of 11390528 is about 224.9993613151. Note that the first 3 decimals are identical.

Adding to 11390528 its reverse (82509311), we get a palindrome (93899839).

The spelling of 11390528 in words is "eleven million, three hundred ninety thousand, five hundred twenty-eight".