12786328 has 16 divisors (see below), whose sum is σ = 24111000. Its totient is φ = 6356736.

The previous prime is 12786311. The next prime is 12786331. The reversal of 12786328 is 82368721.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3033 + ... + 5896.

Almost surely, 2^12786328 is an apocalyptic number.

It is an amenable number.

12786328 is a deficient number, since it is larger than the sum of its proper divisors (11324672).

12786328 is a wasteful number, since it uses less digits than its factorization.

12786328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9114 (or 9110 counting only the distinct ones).

The product of its digits is 32256, while the sum is 37.

The square root of 12786328 is about 3575.7975334182. The cubic root of 12786328 is about 233.8381036143.

The spelling of 12786328 in words is "twelve million, seven hundred eighty-six thousand, three hundred twenty-eight".