12844287 has 6 divisors (see below), whose sum is σ = 18552872. Its totient is φ = 8562852.

The previous prime is 12844283. The next prime is 12844297. The reversal of 12844287 is 78244821.

It is not a de Polignac number, because 12844287 - 2² = 12844283 is a prime.

It is a Duffinian number.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12844283) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 713563 + ... + 713580.

Almost surely, 2^12844287 is an apocalyptic number.

12844287 is a deficient number, since it is larger than the sum of its proper divisors (5708585).

12844287 is a wasteful number, since it uses less digits than its factorization.

12844287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1427149 (or 1427146 counting only the distinct ones).

The product of its digits is 28672, while the sum is 36.

The square root of 12844287 is about 3583.8927160282. The cubic root of 12844287 is about 234.1908917890.

It can be divided in two parts, 12844 and 287, that added together give a palindrome (13131).

The spelling of 12844287 in words is "twelve million, eight hundred forty-four thousand, two hundred eighty-seven".