12489167 has 2 divisors, whose sum is σ = 12489168. Its totient is φ = 12489166.

The previous prime is 12489163. The next prime is 12489229. The reversal of 12489167 is 76198421.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12489167 - 2² = 12489163 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12489167.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12489163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6244583 + 6244584.

It is an arithmetic number, because the mean of its divisors is an integer number (6244584).

Almost surely, 2^12489167 is an apocalyptic number.

12489167 is a deficient number, since it is larger than the sum of its proper divisors (1).

12489167 is an equidigital number, since it uses as much as digits as its factorization.

12489167 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24192, while the sum is 38.

The square root of 12489167 is about 3534.0015563098. The cubic root of 12489167 is about 232.0123791948.

The spelling of 12489167 in words is "twelve million, four hundred eighty-nine thousand, one hundred sixty-seven".