11728293 has 8 divisors (see below), whose sum is σ = 16001568. Its totient is φ = 7636944.

The previous prime is 11728289. The next prime is 11728307. The reversal of 11728293 is 39282711.

11728293 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 11728293 - 2² = 11728289 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11728273) 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, 45330 + ... + 45587.

It is an arithmetic number, because the mean of its divisors is an integer number (2000196).

Almost surely, 2^11728293 is an apocalyptic number.

It is an amenable number.

11728293 is a deficient number, since it is larger than the sum of its proper divisors (4273275).

11728293 is an equidigital number, since it uses as much as digits as its factorization.

11728293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90963.

The product of its digits is 6048, while the sum is 33.

The square root of 11728293 is about 3424.6595451227. The cubic root of 11728293 is about 227.2017134884.

It can be divided in two parts, 11728 and 293, that added together give a palindrome (12021).

The spelling of 11728293 in words is "eleven million, seven hundred twenty-eight thousand, two hundred ninety-three".