12005227 has 8 divisors (see below), whose sum is σ = 13141520. Its totient is φ = 10899360.

The previous prime is 12005221. The next prime is 12005237. The reversal of 12005227 is 72250021.

12005227 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 12005227 - 2³ = 12005219 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12005221) 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, 6777 + ... + 8362.

It is an arithmetic number, because the mean of its divisors is an integer number (1642690).

Almost surely, 2^12005227 is an apocalyptic number.

12005227 is a deficient number, since it is larger than the sum of its proper divisors (1136293).

12005227 is a wasteful number, since it uses less digits than its factorization.

12005227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15213.

The product of its (nonzero) digits is 280, while the sum is 19.

The square root of 12005227 is about 3464.8559854632. The cubic root of 12005227 is about 228.9760849151.

Adding to 12005227 its reverse (72250021), we get a palindrome (84255248).

The spelling of 12005227 in words is "twelve million, five thousand, two hundred twenty-seven".