12689167 has 2 divisors, whose sum is σ = 12689168. Its totient is φ = 12689166.

The previous prime is 12689147. The next prime is 12689219. The reversal of 12689167 is 76198621.

It is a weak prime.

It is an emirp because it is prime and its reverse (76198621) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12689167 - 2¹¹ = 12687119 is a prime.

It is a super-2 number, since 2×12689167² = 322029918307778, which contains 22 as substring.

It is a zygodrome in base 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12689147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6344583 + 6344584.

It is an arithmetic number, because the mean of its divisors is an integer number (6344584).

Almost surely, 2^12689167 is an apocalyptic number.

12689167 is a deficient number, since it is larger than the sum of its proper divisors (1).

12689167 is an equidigital number, since it uses as much as digits as its factorization.

12689167 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 36288, while the sum is 40.

The square root of 12689167 is about 3562.1857054342. The cubic root of 12689167 is about 233.2442991377.

The spelling of 12689167 in words is "twelve million, six hundred eighty-nine thousand, one hundred sixty-seven".