11728849 has 8 divisors (see below), whose sum is σ = 12831840. Its totient is φ = 10632000.

The previous prime is 11728841. The next prime is 11728859. The reversal of 11728849 is 94882711.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 11728849 - 2³ = 11728841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11728841) 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, 3082 + ... + 5740.

It is an arithmetic number, because the mean of its divisors is an integer number (1603980).

Almost surely, 2^11728849 is an apocalyptic number.

It is an amenable number.

11728849 is a deficient number, since it is larger than the sum of its proper divisors (1102991).

11728849 is a wasteful number, since it uses less digits than its factorization.

11728849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3071.

The product of its digits is 32256, while the sum is 40.

The square root of 11728849 is about 3424.7407201130. The cubic root of 11728849 is about 227.2053037284.

The spelling of 11728849 in words is "eleven million, seven hundred twenty-eight thousand, eight hundred forty-nine".