12271167 has 12 divisors (see below), whose sum is σ = 18495984. Its totient is φ = 7824960.

The previous prime is 12271159. The next prime is 12271199. The reversal of 12271167 is 76117221.

It is not a de Polignac number, because 12271167 - 2³ = 12271159 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12271167.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12271157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29434 + ... + 29847.

It is an arithmetic number, because the mean of its divisors is an integer number (1541332).

Almost surely, 2^12271167 is an apocalyptic number.

12271167 is a deficient number, since it is larger than the sum of its proper divisors (6224817).

12271167 is a wasteful number, since it uses less digits than its factorization.

12271167 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59310 (or 59307 counting only the distinct ones).

The product of its digits is 1176, while the sum is 27.

The square root of 12271167 is about 3503.0225520256. The cubic root of 12271167 is about 230.6545124944.

Adding to 12271167 its reverse (76117221), we get a palindrome (88388388).

It can be divided in two parts, 122 and 71167, that added together give a square (71289 = 267²).

The spelling of 12271167 in words is "twelve million, two hundred seventy-one thousand, one hundred sixty-seven".