12648236 has 6 divisors (see below), whose sum is σ = 22134420. Its totient is φ = 6324116.

The previous prime is 12648173. The next prime is 12648239. The reversal of 12648236 is 63284621.

It is not an unprimeable number, because it can be changed into a prime (12648239) 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 as a sum of consecutive naturals, namely, 1581026 + ... + 1581033.

It is an arithmetic number, because the mean of its divisors is an integer number (3689070).

Almost surely, 2^12648236 is an apocalyptic number.

It is an amenable number.

12648236 is a deficient number, since it is larger than the sum of its proper divisors (9486184).

12648236 is a wasteful number, since it uses less digits than its factorization.

12648236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3162063 (or 3162061 counting only the distinct ones).

The product of its digits is 13824, while the sum is 32.

The square root of 12648236 is about 3556.4358563033. The cubic root of 12648236 is about 232.9932396867.

The spelling of 12648236 in words is "twelve million, six hundred forty-eight thousand, two hundred thirty-six".