12066231 has 16 divisors (see below), whose sum is σ = 16470144. Its totient is φ = 7855584.

The previous prime is 12066221. The next prime is 12066247. The reversal of 12066231 is 13266021.

It is a happy number.

It is not a de Polignac number, because 12066231 - 2⁵ = 12066199 is a prime.

It is a super-2 number, since 2×12066231² = 291187861090722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12066198 and 12066207.

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, 34600 + ... + 34946.

It is an arithmetic number, because the mean of its divisors is an integer number (1029384).

Almost surely, 2^12066231 is an apocalyptic number.

12066231 is a deficient number, since it is larger than the sum of its proper divisors (4403913).

12066231 is a wasteful number, since it uses less digits than its factorization.

12066231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 590.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 12066231 is about 3473.6480823480. The cubic root of 12066231 is about 229.3632735852.

The spelling of 12066231 in words is "twelve million, sixty-six thousand, two hundred thirty-one".