12272167 has 2 divisors, whose sum is σ = 12272168. Its totient is φ = 12272166.

The previous prime is 12272159. The next prime is 12272231. The reversal of 12272167 is 76127221.

12272167 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 weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12272167 - 2³ = 12272159 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12272867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6136083 + 6136084.

It is an arithmetic number, because the mean of its divisors is an integer number (6136084).

Almost surely, 2^12272167 is an apocalyptic number.

12272167 is a deficient number, since it is larger than the sum of its proper divisors (1).

12272167 is an equidigital number, since it uses as much as digits as its factorization.

12272167 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2352, while the sum is 28.

The square root of 12272167 is about 3503.1652829976. The cubic root of 12272167 is about 230.6607778112.

Adding to 12272167 its reverse (76127221), we get a palindrome (88399388).

The spelling of 12272167 in words is "twelve million, two hundred seventy-two thousand, one hundred sixty-seven".