11768009 has 4 divisors (see below), whose sum is σ = 12837840. Its totient is φ = 10698180.

The previous prime is 11767993. The next prime is 11768017. The reversal of 11768009 is 90086711.

11768009 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11768009 - 2⁴ = 11767993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11768039) 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 in 3 ways as a sum of consecutive naturals, for example, 534899 + ... + 534920.

It is an arithmetic number, because the mean of its divisors is an integer number (3209460).

Almost surely, 2^11768009 is an apocalyptic number.

It is an amenable number.

11768009 is a deficient number, since it is larger than the sum of its proper divisors (1069831).

11768009 is a wasteful number, since it uses less digits than its factorization.

11768009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1069830.

The product of its (nonzero) digits is 3024, while the sum is 32.

The square root of 11768009 is about 3430.4531770598. The cubic root of 11768009 is about 227.4578853734.

The spelling of 11768009 in words is "eleven million, seven hundred sixty-eight thousand, nine".