12171067 has 2 divisors, whose sum is σ = 12171068. Its totient is φ = 12171066.

The previous prime is 12171041. The next prime is 12171101. The reversal of 12171067 is 76017121.

12171067 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is an emirp because it is prime and its reverse (76017121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12171067 - 2¹⁵ = 12138299 is a prime.

It is not a weakly prime, because it can be changed into another prime (12151067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6085533 + 6085534.

It is an arithmetic number, because the mean of its divisors is an integer number (6085534).

Almost surely, 2^12171067 is an apocalyptic number.

12171067 is a deficient number, since it is larger than the sum of its proper divisors (1).

12171067 is an equidigital number, since it uses as much as digits as its factorization.

12171067 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 588, while the sum is 25.

The square root of 12171067 is about 3488.7056338992. The cubic root of 12171067 is about 230.0256241143.

Adding to 12171067 its reverse (76017121), we get a palindrome (88188188).

The spelling of 12171067 in words is "twelve million, one hundred seventy-one thousand, sixty-seven".