12862144 has 14 divisors (see below), whose sum is σ = 25523444. Its totient is φ = 6431040.

The previous prime is 12862133. The next prime is 12862153. The reversal of 12862144 is 44126821.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100422 + ... + 100549.

Almost surely, 2^12862144 is an apocalyptic number.

It is an amenable number.

12862144 is a deficient number, since it is larger than the sum of its proper divisors (12661300).

12862144 is an equidigital number, since it uses as much as digits as its factorization.

12862144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200983 (or 200973 counting only the distinct ones).

The product of its digits is 3072, while the sum is 28.

The square root of 12862144 is about 3586.3831362530. The cubic root of 12862144 is about 234.2993708931.

Adding to 12862144 its reverse (44126821), we get a palindrome (56988965).

The spelling of 12862144 in words is "twelve million, eight hundred sixty-two thousand, one hundred forty-four".