12261223 has 8 divisors (see below), whose sum is σ = 13334048. Its totient is φ = 11206944.

The previous prime is 12261211. The next prime is 12261253. The reversal of 12261223 is 32216221.

12261223 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12261223 - 2²¹ = 10164071 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12261223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12261253) 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, 3240 + ... + 5917.

It is an arithmetic number, because the mean of its divisors is an integer number (1666756).

Almost surely, 2^12261223 is an apocalyptic number.

12261223 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

12261223 is a deficient number, since it is larger than the sum of its proper divisors (1072825).

12261223 is a wasteful number, since it uses less digits than its factorization.

12261223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9273.

The product of its digits is 288, while the sum is 19.

The square root of 12261223 is about 3501.6029186645. The cubic root of 12261223 is about 230.5921916545.

Adding to 12261223 its reverse (32216221), we get a palindrome (44477444).

The spelling of 12261223 in words is "twelve million, two hundred sixty-one thousand, two hundred twenty-three".