12648128 has 28 divisors (see below), whose sum is σ = 25237440. Its totient is φ = 6289152.

The previous prime is 12648127. The next prime is 12648151. The reversal of 12648128 is 82184621.

It is a happy number.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a junction number, because it is equal to n+sod(n) for n = 12648094 and 12648103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12648127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14225 + ... + 15087.

Almost surely, 2^12648128 is an apocalyptic number.

It is an amenable number.

12648128 is a deficient number, since it is larger than the sum of its proper divisors (12589312).

12648128 is an equidigital number, since it uses as much as digits as its factorization.

12648128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1104 (or 1094 counting only the distinct ones).

The product of its digits is 6144, while the sum is 32.

The square root of 12648128 is about 3556.4206725302. The cubic root of 12648128 is about 232.9925765286.

The spelling of 12648128 in words is "twelve million, six hundred forty-eight thousand, one hundred twenty-eight".