12440167 has 2 divisors, whose sum is σ = 12440168. Its totient is φ = 12440166.

The previous prime is 12440161. The next prime is 12440173. The reversal of 12440167 is 76104421.

It is a balanced prime because it is at equal distance from previous prime (12440161) and next prime (12440173).

It is a cyclic number.

It is not a de Polignac number, because 12440167 - 2¹¹ = 12438119 is a prime.

It is equal to p₈₁₅₀₆₅ and since 12440167 and 815065 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12440161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6220083 + 6220084.

It is an arithmetic number, because the mean of its divisors is an integer number (6220084).

Almost surely, 2^12440167 is an apocalyptic number.

12440167 is a deficient number, since it is larger than the sum of its proper divisors (1).

12440167 is an equidigital number, since it uses as much as digits as its factorization.

12440167 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 12440167 is about 3527.0620918833. The cubic root of 12440167 is about 231.7085557042.

Adding to 12440167 its reverse (76104421), we get a palindrome (88544588).

The spelling of 12440167 in words is "twelve million, four hundred forty thousand, one hundred sixty-seven".