11216320 has 28 divisors (see below), whose sum is σ = 26709624. Its totient is φ = 4486400.

The previous prime is 11216287. The next prime is 11216321. The reversal of 11216320 is 2361211.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 11216294 and 11216303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11216321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17206 + ... + 17845.

Almost surely, 2^11216320 is an apocalyptic number.

11216320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11216320 is an abundant number, since it is smaller than the sum of its proper divisors (15493304).

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

11216320 is an equidigital number, since it uses as much as digits as its factorization.

11216320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35068 (or 35058 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 11216320 is about 3349.0774849203. The cubic root of 11216320 is about 223.8464083152.

Adding to 11216320 its reverse (2361211), we get a palindrome (13577531).

The spelling of 11216320 in words is "eleven million, two hundred sixteen thousand, three hundred twenty".