11845009 has 8 divisors (see below), whose sum is σ = 12946752. Its totient is φ = 10747440.

The previous prime is 11844979. The next prime is 11845027. The reversal of 11845009 is 90054811.

It is a happy number.

11845009 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 11845009 - 2⁷ = 11844881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11845609) 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 7 ways as a sum of consecutive naturals, for example, 10612 + ... + 11674.

It is an arithmetic number, because the mean of its divisors is an integer number (1618344).

Almost surely, 2^11845009 is an apocalyptic number.

It is an amenable number.

11845009 is a deficient number, since it is larger than the sum of its proper divisors (1101743).

11845009 is a wasteful number, since it uses less digits than its factorization.

11845009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2087.

The product of its (nonzero) digits is 1440, while the sum is 28.

The square root of 11845009 is about 3441.6578853802. The cubic root of 11845009 is about 227.9529052725.

The spelling of 11845009 in words is "eleven million, eight hundred forty-five thousand, nine".