12004167 has 24 divisors (see below), whose sum is σ = 18794496. Its totient is φ = 6794928.

The previous prime is 12004163. The next prime is 12004171. The reversal of 12004167 is 76140021.

It is an interprime number because it is at equal distance from previous prime (12004163) and next prime (12004171).

It is not a de Polignac number, because 12004167 - 2² = 12004163 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12004163) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18348 + ... + 18990.

It is an arithmetic number, because the mean of its divisors is an integer number (783104).

Almost surely, 2^12004167 is an apocalyptic number.

12004167 is a deficient number, since it is larger than the sum of its proper divisors (6790329).

12004167 is a wasteful number, since it uses less digits than its factorization.

12004167 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 787 (or 780 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 21.

The square root of 12004167 is about 3464.7030175760. The cubic root of 12004167 is about 228.9693455786.

Adding to 12004167 its reverse (76140021), we get a palindrome (88144188).

The spelling of 12004167 in words is "twelve million, four thousand, one hundred sixty-seven".