12205568 has 40 divisors (see below), whose sum is σ = 25206720. Its totient is φ = 5898240.

The previous prime is 12205561. The next prime is 12205573. The reversal of 12205568 is 86550221.

It is a self number, because there is not a number n which added to its sum of digits gives 12205568.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12205561) 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, 15488 + ... + 16256.

It is an arithmetic number, because the mean of its divisors is an integer number (630168).

Almost surely, 2^12205568 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 12205568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12603360).

12205568 is an abundant number, since it is smaller than the sum of its proper divisors (13001152).

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

12205568 is an frugal number, since it uses more digits than its factorization.

12205568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 818 (or 802 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 29.

The square root of 12205568 is about 3493.6468052738. The cubic root of 12205568 is about 230.2427682392.

Adding to 12205568 its reverse (86550221), we get a palindrome (98755789).

The spelling of 12205568 in words is "twelve million, two hundred five thousand, five hundred sixty-eight".