12399284 has 12 divisors (see below), whose sum is σ = 21743904. Its totient is φ = 6186744.

The previous prime is 12399271. The next prime is 12399293. The reversal of 12399284 is 48299321.

It is a congruent number.

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, 872 + ... + 5055.

It is an arithmetic number, because the mean of its divisors is an integer number (1811992).

Almost surely, 2^12399284 is an apocalyptic number.

It is an amenable number.

12399284 is a deficient number, since it is larger than the sum of its proper divisors (9344620).

12399284 is a wasteful number, since it uses less digits than its factorization.

12399284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6454 (or 6452 counting only the distinct ones).

The product of its digits is 31104, while the sum is 38.

The square root of 12399284 is about 3521.2617056958. The cubic root of 12399284 is about 231.4544504051.

The spelling of 12399284 in words is "twelve million, three hundred ninety-nine thousand, two hundred eighty-four".