12865267 has 8 divisors (see below), whose sum is σ = 13260240. Its totient is φ = 12474240.

The previous prime is 12865253. The next prime is 12865289. The reversal of 12865267 is 76256821.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12865267 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12865247) 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 in 7 ways as a sum of consecutive naturals, for example, 6463 + ... + 8215.

It is an arithmetic number, because the mean of its divisors is an integer number (1657530).

Almost surely, 2^12865267 is an apocalyptic number.

12865267 is a deficient number, since it is larger than the sum of its proper divisors (394973).

12865267 is a wasteful number, since it uses less digits than its factorization.

12865267 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1973.

The product of its digits is 40320, while the sum is 37.

The square root of 12865267 is about 3586.8185066992. The cubic root of 12865267 is about 234.3183324214.

The spelling of 12865267 in words is "twelve million, eight hundred sixty-five thousand, two hundred sixty-seven".