12006227 has 4 divisors (see below), whose sum is σ = 12013656. Its totient is φ = 11998800.

The previous prime is 12006223. The next prime is 12006229. The reversal of 12006227 is 72260021.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 12006227 - 2² = 12006223 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12006199 and 12006208.

It is not an unprimeable number, because it can be changed into a prime (12006223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 149 + ... + 4902.

It is an arithmetic number, because the mean of its divisors is an integer number (3003414).

Almost surely, 2^12006227 is an apocalyptic number.

12006227 is a deficient number, since it is larger than the sum of its proper divisors (7429).

12006227 is an equidigital number, since it uses as much as digits as its factorization.

12006227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7428.

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 12006227 is about 3465.0002886003. Note that the first 3 decimals coincide. The cubic root of 12006227 is about 228.9824424161.

Adding to 12006227 its reverse (72260021), we get a palindrome (84266248).

The spelling of 12006227 in words is "twelve million, six thousand, two hundred twenty-seven".