12004229 has 4 divisors (see below), whose sum is σ = 12526176. Its totient is φ = 11482284.

The previous prime is 12004217. The next prime is 12004271. The reversal of 12004229 is 92240021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 92240021 = 569 ⋅162109.

It is a cyclic number.

It is not a de Polignac number, because 12004229 - 2¹² = 12000133 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12004229.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12004529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 260939 + ... + 260984.

It is an arithmetic number, because the mean of its divisors is an integer number (3131544).

Almost surely, 2^12004229 is an apocalyptic number.

It is an amenable number.

12004229 is a deficient number, since it is larger than the sum of its proper divisors (521947).

12004229 is an equidigital number, since it uses as much as digits as its factorization.

12004229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 521946.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 12004229 is about 3464.7119649402. The cubic root of 12004229 is about 228.9697397771.

The spelling of 12004229 in words is "twelve million, four thousand, two hundred twenty-nine".