12001167 has 12 divisors (see below), whose sum is σ = 18354960. Its totient is φ = 7530048.

The previous prime is 12001163. The next prime is 12001169. The reversal of 12001167 is 76110021.

It is not a de Polignac number, because 12001167 - 2² = 12001163 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12001163) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 39067 + ... + 39372.

It is an arithmetic number, because the mean of its divisors is an integer number (1529580).

Almost surely, 2^12001167 is an apocalyptic number.

12001167 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

12001167 is a deficient number, since it is larger than the sum of its proper divisors (6353793).

12001167 is a wasteful number, since it uses less digits than its factorization.

12001167 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78462 (or 78459 counting only the distinct ones).

The product of its (nonzero) digits is 84, while the sum is 18.

The square root of 12001167 is about 3464.2700529837. The cubic root of 12001167 is about 228.9502698341.

Adding to 12001167 its reverse (76110021), we get a palindrome (88111188).

The spelling of 12001167 in words is "twelve million, one thousand, one hundred sixty-seven".