12220368 has 40 divisors (see below), whose sum is σ = 32661600. Its totient is φ = 3932544.

The previous prime is 12220361. The next prime is 12220393. The reversal of 12220368 is 86302221.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12220361) 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, 2998 + ... + 5781.

It is an arithmetic number, because the mean of its divisors is an integer number (816540).

Almost surely, 2^12220368 is an apocalyptic number.

It is an amenable number.

12220368 is an abundant number, since it is smaller than the sum of its proper divisors (20441232).

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

12220368 is a wasteful number, since it uses less digits than its factorization.

12220368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8819 (or 8813 counting only the distinct ones).

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

The square root of 12220368 is about 3495.7642941137. The cubic root of 12220368 is about 230.3357918110.

Adding to 12220368 its reverse (86302221), we get a palindrome (98522589).

The spelling of 12220368 in words is "twelve million, two hundred twenty thousand, three hundred sixty-eight".