12728698 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes.
It is an unprimeable number.
Almost surely, 212728698 is an apocalyptic number.
12728698 is an equidigital number, since it uses as much as digits as its factorization.
12728698 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6364351.
The square root of 12728698 is about 3567.7300906879. The cubic root of 12728698 is about 233.4862593880.
The spelling of 12728698 in words is "twelve million, seven hundred twenty-eight thousand, six hundred ninety-eight".