11728608 has 24 divisors (see below), whose sum is σ = 30787848. Its totient is φ = 3909504.

The previous prime is 11728601. The next prime is 11728621. The reversal of 11728608 is 80682711.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11728601) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 60991 + ... + 61182.

It is an arithmetic number, because the mean of its divisors is an integer number (1282827).

Almost surely, 2^11728608 is an apocalyptic number.

It is an amenable number.

11728608 is an abundant number, since it is smaller than the sum of its proper divisors (19059240).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11728608 is a wasteful number, since it uses less digits than its factorization.

11728608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122186 (or 122178 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 33.

The square root of 11728608 is about 3424.7055347869. The cubic root of 11728608 is about 227.2037475412.

The spelling of 11728608 in words is "eleven million, seven hundred twenty-eight thousand, six hundred eight".