12728303 has 8 divisors (see below), whose sum is σ = 15048480. Its totient is φ = 10533600.

The previous prime is 12728293. The next prime is 12728311. The reversal of 12728303 is 30382721.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12728303 - 2⁸ = 12728047 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12728363) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31148 + ... + 31553.

It is an arithmetic number, because the mean of its divisors is an integer number (1881060).

Almost surely, 2^12728303 is an apocalyptic number.

12728303 is a deficient number, since it is larger than the sum of its proper divisors (2320177).

12728303 is an equidigital number, since it uses as much as digits as its factorization.

12728303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62737.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 12728303 is about 3567.6747329318. The cubic root of 12728303 is about 233.4838441625.

It can be divided in two parts, 12728 and 303, that added together give a palindrome (13031).

The spelling of 12728303 in words is "twelve million, seven hundred twenty-eight thousand, three hundred three".