12648988 has 48 divisors (see below), whose sum is σ = 26127360. Its totient is φ = 5297600.

The previous prime is 12648983. The next prime is 12648989. The reversal of 12648988 is 88984621.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12648983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29133 + ... + 29563.

It is an arithmetic number, because the mean of its divisors is an integer number (544320).

Almost surely, 2^12648988 is an apocalyptic number.

It is an amenable number.

12648988 is an abundant number, since it is smaller than the sum of its proper divisors (13478372).

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

12648988 is a wasteful number, since it uses less digits than its factorization.

12648988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 498 (or 496 counting only the distinct ones).

The product of its digits is 221184, while the sum is 46.

The square root of 12648988 is about 3556.5415785563. The cubic root of 12648988 is about 232.9978571275.

The spelling of 12648988 in words is "twelve million, six hundred forty-eight thousand, nine hundred eighty-eight".