12287248 has 20 divisors (see below), whose sum is σ = 23896908. Its totient is φ = 6120320.

The previous prime is 12287201. The next prime is 12287269. The reversal of 12287248 is 84278221.

It can be written as a sum of positive squares in 2 ways, for example, as 10969344 + 1317904 = 3312^2 + 1148^2 .

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 3378 + ... + 5998.

Almost surely, 2^12287248 is an apocalyptic number.

It is an amenable number.

12287248 is a deficient number, since it is larger than the sum of its proper divisors (11609660).

12287248 is a wasteful number, since it uses less digits than its factorization.

12287248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2922 (or 2916 counting only the distinct ones).

The product of its digits is 14336, while the sum is 34.

The square root of 12287248 is about 3505.3171040578. The cubic root of 12287248 is about 230.7552238108.

The spelling of 12287248 in words is "twelve million, two hundred eighty-seven thousand, two hundred forty-eight".