11688790 has 8 divisors (see below), whose sum is σ = 21039840. Its totient is φ = 4675512.

The previous prime is 11688751. The next prime is 11688793. The reversal of 11688790 is 9788611.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11688793) 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, 584430 + ... + 584449.

It is an arithmetic number, because the mean of its divisors is an integer number (2629980).

Almost surely, 2^11688790 is an apocalyptic number.

11688790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11688790 is a deficient number, since it is larger than the sum of its proper divisors (9351050).

11688790 is a wasteful number, since it uses less digits than its factorization.

11688790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1168886.

The product of its (nonzero) digits is 24192, while the sum is 40.

The square root of 11688790 is about 3418.8872458740. The cubic root of 11688790 is about 226.9463411501.

The spelling of 11688790 in words is "eleven million, six hundred eighty-eight thousand, seven hundred ninety".