11688443 has 8 divisors (see below), whose sum is σ = 12617808. Its totient is φ = 10763424.

The previous prime is 11688433. The next prime is 11688449. The reversal of 11688443 is 34488611.

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

It is a cyclic number.

It is not a de Polignac number, because 11688443 - 2⁶ = 11688379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11688449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6521 + ... + 8117.

It is an arithmetic number, because the mean of its divisors is an integer number (1577226).

Almost surely, 2^11688443 is an apocalyptic number.

11688443 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

11688443 is a deficient number, since it is larger than the sum of its proper divisors (929365).

11688443 is a wasteful number, since it uses less digits than its factorization.

11688443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2173.

The product of its digits is 18432, while the sum is 35.

The square root of 11688443 is about 3418.8364979917. The cubic root of 11688443 is about 226.9440953756.

The spelling of 11688443 in words is "eleven million, six hundred eighty-eight thousand, four hundred forty-three".