12066227 has 4 divisors (see below), whose sum is σ = 12264096. Its totient is φ = 11868360.

The previous prime is 12066221. The next prime is 12066247. The reversal of 12066227 is 72266021.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12066227 - 2⁶ = 12066163 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12066196 and 12066205.

It is not an unprimeable number, because it can be changed into a prime (12066221) 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, 98843 + ... + 98964.

It is an arithmetic number, because the mean of its divisors is an integer number (3066024).

Almost surely, 2^12066227 is an apocalyptic number.

12066227 is a deficient number, since it is larger than the sum of its proper divisors (197869).

12066227 is an equidigital number, since it uses as much as digits as its factorization.

12066227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197868.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 12066227 is about 3473.6475065844. The cubic root of 12066227 is about 229.3632482403.

The spelling of 12066227 in words is "twelve million, sixty-six thousand, two hundred twenty-seven".