12066223 has 16 divisors (see below), whose sum is σ = 13619200. Its totient is φ = 10614240.

The previous prime is 12066221. The next prime is 12066247. The reversal of 12066223 is 32266021.

It is a happy number.

It is not a de Polignac number, because 12066223 - 2¹ = 12066221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12066194 and 12066203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12066221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31648 + ... + 32026.

It is an arithmetic number, because the mean of its divisors is an integer number (851200).

Almost surely, 2^12066223 is an apocalyptic number.

12066223 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

12066223 is a deficient number, since it is larger than the sum of its proper divisors (1552977).

12066223 is a wasteful number, since it uses less digits than its factorization.

12066223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 502.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 12066223 is about 3473.6469308207. The cubic root of 12066223 is about 229.3632228954.

The spelling of 12066223 in words is "twelve million, sixty-six thousand, two hundred twenty-three".