11728708 has 24 divisors (see below), whose sum is σ = 21880152. Its totient is φ = 5481984.

The previous prime is 11728699. The next prime is 11728721. The reversal of 11728708 is 80782711.

It can be written as a sum of positive squares in 4 ways, for example, as 8111104 + 3617604 = 2848^2 + 1902^2 .

It is a Harshad number since it is a multiple of its sum of digits (34).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11266 + ... + 12262.

It is an arithmetic number, because the mean of its divisors is an integer number (911673).

Almost surely, 2^11728708 is an apocalyptic number.

It is an amenable number.

11728708 is a deficient number, since it is larger than the sum of its proper divisors (10151444).

11728708 is a wasteful number, since it uses less digits than its factorization.

11728708 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1191 (or 1189 counting only the distinct ones).

The product of its (nonzero) digits is 6272, while the sum is 34.

The square root of 11728708 is about 3424.7201345511. The cubic root of 11728708 is about 227.2043932646.

The spelling of 11728708 in words is "eleven million, seven hundred twenty-eight thousand, seven hundred eight".