12728353 has 16 divisors (see below), whose sum is σ = 14300352. Its totient is φ = 11325600.

The previous prime is 12728351. The next prime is 12728363. The reversal of 12728353 is 35382721.

12728353 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is the 1457-th star number.

It is not a de Polignac number, because 12728353 - 2¹ = 12728351 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12728351) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 97098 + ... + 97228.

It is an arithmetic number, because the mean of its divisors is an integer number (893772).

Almost surely, 2^12728353 is an apocalyptic number.

It is an amenable number.

12728353 is a deficient number, since it is larger than the sum of its proper divisors (1571999).

12728353 is an equidigital number, since it uses as much as digits as its factorization.

12728353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237 (or 215 counting only the distinct ones).

The product of its digits is 10080, while the sum is 31.

The square root of 12728353 is about 3567.6817402902. The cubic root of 12728353 is about 233.4841498900.

The spelling of 12728353 in words is "twelve million, seven hundred twenty-eight thousand, three hundred fifty-three".