12066291 has 24 divisors (see below), whose sum is σ = 18280080. Its totient is φ = 7659456.

The previous prime is 12066289. The next prime is 12066293. The reversal of 12066291 is 19266021.

It is an interprime number because it is at equal distance from previous prime (12066289) and next prime (12066293).

It is not a de Polignac number, because 12066291 - 2¹ = 12066289 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12066293) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21385 + ... + 21941.

It is an arithmetic number, because the mean of its divisors is an integer number (761670).

Almost surely, 2^12066291 is an apocalyptic number.

12066291 is a deficient number, since it is larger than the sum of its proper divisors (6213789).

12066291 is a wasteful number, since it uses less digits than its factorization.

12066291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 675 (or 672 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 12066291 is about 3473.6567187907. The cubic root of 12066291 is about 229.3636537585.

The spelling of 12066291 in words is "twelve million, sixty-six thousand, two hundred ninety-one".