12004223 has 32 divisors (see below), whose sum is σ = 15925248. Its totient is φ = 8776800.

The previous prime is 12004217. The next prime is 12004271. The reversal of 12004223 is 32240021.

It is a cyclic number.

It is not a de Polignac number, because 12004223 - 2¹² = 12000127 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12004198 and 12004207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12004283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 112136 + ... + 112242.

It is an arithmetic number, because the mean of its divisors is an integer number (497664).

Almost surely, 2^12004223 is an apocalyptic number.

12004223 is a deficient number, since it is larger than the sum of its proper divisors (3921025).

12004223 is a wasteful number, since it uses less digits than its factorization.

12004223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 12004223 is about 3464.7110990673. The cubic root of 12004223 is about 228.9697016289.

Adding to 12004223 its reverse (32240021), we get a palindrome (44244244).

The spelling of 12004223 in words is "twelve million, four thousand, two hundred twenty-three".