11928208 has 20 divisors (see below), whose sum is σ = 23736700. Its totient is φ = 5802624.

The previous prime is 11928173. The next prime is 11928209. The reversal of 11928208 is 80282911.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 8363664 + 3564544 = 2892^2 + 1888^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 11928208.

It is not an unprimeable number, because it can be changed into a prime (11928209) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9483 + ... + 10666.

It is an arithmetic number, because the mean of its divisors is an integer number (1186835).

Almost surely, 2^11928208 is an apocalyptic number.

It is an amenable number.

11928208 is a deficient number, since it is larger than the sum of its proper divisors (11808492).

11928208 is a wasteful number, since it uses less digits than its factorization.

11928208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20194 (or 20188 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 31.

The square root of 11928208 is about 3453.7237874503. The cubic root of 11928208 is about 228.4853720683.

The spelling of 11928208 in words is "eleven million, nine hundred twenty-eight thousand, two hundred eight".