12919328 has 12 divisors (see below), whose sum is σ = 25434990. Its totient is φ = 6459648.

The previous prime is 12919301. The next prime is 12919339. The reversal of 12919328 is 82391921.

It can be written as a sum of positive squares in only one way, i.e., 11102224 + 1817104 = 3332^2 + 1348^2 .

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is a nialpdrome in base 16.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 201833 + ... + 201896.

Almost surely, 2^12919328 is an apocalyptic number.

It is an amenable number.

12919328 is a deficient number, since it is larger than the sum of its proper divisors (12515662).

12919328 is an equidigital number, since it uses as much as digits as its factorization.

12919328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 403739 (or 403731 counting only the distinct ones).

The product of its digits is 7776, while the sum is 35.

The square root of 12919328 is about 3594.3466722062. The cubic root of 12919328 is about 234.6460826183.

The spelling of 12919328 in words is "twelve million, nine hundred nineteen thousand, three hundred twenty-eight".