12166067 has 4 divisors (see below), whose sum is σ = 12881736. Its totient is φ = 11450400.

The previous prime is 12166039. The next prime is 12166069. The reversal of 12166067 is 76066121.

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 12166067 - 2¹⁶ = 12100531 is a prime.

It is a Duffinian number.

It is a plaindrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (12166069) 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, 357809 + ... + 357842.

It is an arithmetic number, because the mean of its divisors is an integer number (3220434).

Almost surely, 2^12166067 is an apocalyptic number.

12166067 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

12166067 is a deficient number, since it is larger than the sum of its proper divisors (715669).

12166067 is an equidigital number, since it uses as much as digits as its factorization.

12166067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 715668.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 12166067 is about 3487.9889621385. The cubic root of 12166067 is about 229.9941208327.

The spelling of 12166067 in words is "twelve million, one hundred sixty-six thousand, sixty-seven".