12728096 has 12 divisors (see below), whose sum is σ = 25058502. Its totient is φ = 6364032.

The previous prime is 12728083. The next prime is 12728113. The reversal of 12728096 is 69082721.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 7728400 + 4999696 = 2780^2 + 2236^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 198845 + ... + 198908.

Almost surely, 2^12728096 is an apocalyptic number.

12728096 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12728096 is a deficient number, since it is larger than the sum of its proper divisors (12330406).

12728096 is an equidigital number, since it uses as much as digits as its factorization.

12728096 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 397763 (or 397755 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 12728096 is about 3567.6457223217. The cubic root of 12728096 is about 233.4825784421.

The spelling of 12728096 in words is "twelve million, seven hundred twenty-eight thousand, ninety-six".