12985328 has 10 divisors (see below), whose sum is σ = 25159104. Its totient is φ = 6492656.

The previous prime is 12985319. The next prime is 12985333. The reversal of 12985328 is 82358921.

It is a junction number, because it is equal to n+sod(n) for n = 12985291 and 12985300.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 405776 + ... + 405807.

Almost surely, 2^12985328 is an apocalyptic number.

It is an amenable number.

12985328 is a deficient number, since it is larger than the sum of its proper divisors (12173776).

12985328 is an equidigital number, since it uses as much as digits as its factorization.

12985328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 811591 (or 811585 counting only the distinct ones).

The product of its digits is 34560, while the sum is 38.

The square root of 12985328 is about 3603.5160607385. The cubic root of 12985328 is about 235.0449770559.

The spelling of 12985328 in words is "twelve million, nine hundred eighty-five thousand, three hundred twenty-eight".