11213320 has 32 divisors (see below), whose sum is σ = 26046720. Its totient is φ = 4340160.

The previous prime is 11213303. The next prime is 11213347. The reversal of 11213320 is 2331211.

It is a self number, because there is not a number n which added to its sum of digits gives 11213320.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3282 + ... + 5761.

It is an arithmetic number, because the mean of its divisors is an integer number (813960).

Almost surely, 2^11213320 is an apocalyptic number.

11213320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11213320 is an abundant number, since it is smaller than the sum of its proper divisors (14833400).

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

11213320 is a wasteful number, since it uses less digits than its factorization.

11213320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9085 (or 9081 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 11213320 is about 3348.6295704362. The cubic root of 11213320 is about 223.8264493297.

Adding to 11213320 its reverse (2331211), we get a palindrome (13544531).

The spelling of 11213320 in words is "eleven million, two hundred thirteen thousand, three hundred twenty".