12066567 has 4 divisors (see below), whose sum is σ = 16088760. Its totient is φ = 8044376.

The previous prime is 12066557. The next prime is 12066611. The reversal of 12066567 is 76566021.

12066567 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

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 12066567 - 2¹⁸ = 11804423 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12066517) 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, 2011092 + ... + 2011097.

It is an arithmetic number, because the mean of its divisors is an integer number (4022190).

Almost surely, 2^12066567 is an apocalyptic number.

12066567 is a deficient number, since it is larger than the sum of its proper divisors (4022193).

12066567 is an equidigital number, since it uses as much as digits as its factorization.

12066567 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4022192.

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 12066567 is about 3473.6964461507. The cubic root of 12066567 is about 229.3654025390.

The spelling of 12066567 in words is "twelve million, sixty-six thousand, five hundred sixty-seven".