12228360 has 64 divisors (see below), whose sum is σ = 36953280. Its totient is φ = 3237120.

The previous prime is 12228329. The next prime is 12228367. The reversal of 12228360 is 6382221.

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

It is a self number, because there is not a number n which added to its sum of digits gives 12228360.

It is not an unprimeable number, because it can be changed into a prime (12228367) 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 15 ways as a sum of consecutive naturals, for example, 21439 + ... + 22001.

It is an arithmetic number, because the mean of its divisors is an integer number (577395).

Almost surely, 2^12228360 is an apocalyptic number.

12228360 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 12228360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18476640).

12228360 is an abundant number, since it is smaller than the sum of its proper divisors (24724920).

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

12228360 is a wasteful number, since it uses less digits than its factorization.

12228360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 758 (or 754 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 12228360 is about 3496.9072049455. The cubic root of 12228360 is about 230.3859933132.

It can be divided in two parts, 122 and 28360, that added together give a palindrome (28482).

The spelling of 12228360 in words is "twelve million, two hundred twenty-eight thousand, three hundred sixty".