11688338 has 4 divisors (see below), whose sum is σ = 17532510. Its totient is φ = 5844168.

The previous prime is 11688331. The next prime is 11688353. The reversal of 11688338 is 83388611.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 11336689 + 351649 = 3367^2 + 593^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11688331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2922083 + ... + 2922086.

Almost surely, 2^11688338 is an apocalyptic number.

11688338 is a deficient number, since it is larger than the sum of its proper divisors (5844172).

11688338 is an equidigital number, since it uses as much as digits as its factorization.

11688338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5844171.

The product of its digits is 27648, while the sum is 38.

The square root of 11688338 is about 3418.8211418558. The cubic root of 11688338 is about 226.9434158097.

The spelling of 11688338 in words is "eleven million, six hundred eighty-eight thousand, three hundred thirty-eight".