12045648 has 20 divisors (see below), whose sum is σ = 31118048. Its totient is φ = 4015200.

The previous prime is 12045641. The next prime is 12045653. The reversal of 12045648 is 84654021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12045641) 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 in 3 ways as a sum of consecutive naturals, for example, 125428 + ... + 125523.

Almost surely, 2^12045648 is an apocalyptic number.

It is an amenable number.

12045648 is an abundant number, since it is smaller than the sum of its proper divisors (19072400).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12045648 is a wasteful number, since it uses less digits than its factorization.

12045648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250962 (or 250956 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 30.

The square root of 12045648 is about 3470.6840824253. The cubic root of 12045648 is about 229.2327807187.

Adding to 12045648 its reverse (84654021), we get a palindrome (96699669).

The spelling of 12045648 in words is "twelve million, forty-five thousand, six hundred forty-eight".