11728003 has 6 divisors (see below), whose sum is σ = 13642836. Its totient is φ = 10052532.

The previous prime is 11727971. The next prime is 11728007. The reversal of 11728003 is 30082711.

11728003 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11728003 - 2⁵ = 11727971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11728007) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 119625 + ... + 119722.

It is an arithmetic number, because the mean of its divisors is an integer number (2273806).

Almost surely, 2^11728003 is an apocalyptic number.

11728003 is a deficient number, since it is larger than the sum of its proper divisors (1914833).

11728003 is an equidigital number, since it uses as much as digits as its factorization.

11728003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239361 (or 239354 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 22.

The square root of 11728003 is about 3424.6172048858. The cubic root of 11728003 is about 227.1998408363.

The spelling of 11728003 in words is "eleven million, seven hundred twenty-eight thousand, three".