12865167 has 24 divisors (see below), whose sum is σ = 21644064. Its totient is φ = 7210944.

The previous prime is 12865157. The next prime is 12865189. The reversal of 12865167 is 76156821.

12865167 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12865167 - 2¹⁹ = 12340879 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12865157) 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, 1413 + ... + 5265.

It is an arithmetic number, because the mean of its divisors is an integer number (901836).

Almost surely, 2^12865167 is an apocalyptic number.

12865167 is a deficient number, since it is larger than the sum of its proper divisors (8778897).

12865167 is a wasteful number, since it uses less digits than its factorization.

12865167 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3919 (or 3916 counting only the distinct ones).

The product of its digits is 20160, while the sum is 36.

The square root of 12865167 is about 3586.8045667418. The cubic root of 12865167 is about 234.3177253115.

The spelling of 12865167 in words is "twelve million, eight hundred sixty-five thousand, one hundred sixty-seven".