12918328 has 32 divisors (see below), whose sum is σ = 26197200. Its totient is φ = 5951232.

The previous prime is 12918319. The next prime is 12918329. The reversal of 12918328 is 82381921.

It is a junction number, because it is equal to n+sod(n) for n = 12918293 and 12918302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12918329) 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 7 ways as a sum of consecutive naturals, for example, 4476 + ... + 6772.

Almost surely, 2^12918328 is an apocalyptic number.

It is an amenable number.

12918328 is an abundant number, since it is smaller than the sum of its proper divisors (13278872).

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

12918328 is a wasteful number, since it uses less digits than its factorization.

12918328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2359 (or 2355 counting only the distinct ones).

The product of its digits is 6912, while the sum is 34.

The square root of 12918328 is about 3594.2075621756. The cubic root of 12918328 is about 234.6400283267.

The spelling of 12918328 in words is "twelve million, nine hundred eighteen thousand, three hundred twenty-eight".