12204255 has 32 divisors (see below), whose sum is σ = 22800384. Its totient is φ = 5458176.

The previous prime is 12204253. The next prime is 12204259. The reversal of 12204255 is 55240221.

It is a happy number.

12204255 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12204255 - 2¹ = 12204253 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12204253) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3699 + ... + 6171.

It is an arithmetic number, because the mean of its divisors is an integer number (712512).

Almost surely, 2^12204255 is an apocalyptic number.

12204255 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12204255 is a deficient number, since it is larger than the sum of its proper divisors (10596129).

12204255 is a wasteful number, since it uses less digits than its factorization.

12204255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2535.

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 12204255 is about 3493.4588876928. The cubic root of 12204255 is about 230.2345119091.

Adding to 12204255 its reverse (55240221), we get a palindrome (67444476).

The spelling of 12204255 in words is "twelve million, two hundred four thousand, two hundred fifty-five".