11728347 has 8 divisors (see below), whose sum is σ = 15655440. Its totient is φ = 7810080.

The previous prime is 11728319. The next prime is 11728349. The reversal of 11728347 is 74382711.

It is a happy number.

11728347 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 11728347 - 2¹⁰ = 11727323 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11728349) 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, 2097 + ... + 5277.

It is an arithmetic number, because the mean of its divisors is an integer number (1956930).

Almost surely, 2^11728347 is an apocalyptic number.

11728347 is a deficient number, since it is larger than the sum of its proper divisors (3927093).

11728347 is a wasteful number, since it uses less digits than its factorization.

11728347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4413.

The product of its digits is 9408, while the sum is 33.

The square root of 11728347 is about 3424.6674291090. The cubic root of 11728347 is about 227.2020621858.

The spelling of 11728347 in words is "eleven million, seven hundred twenty-eight thousand, three hundred forty-seven".