11740809 has 8 divisors (see below), whose sum is σ = 15869152. Its totient is φ = 7719840.

The previous prime is 11740777. The next prime is 11740811. The reversal of 11740809 is 90804711.

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

It is not a de Polignac number, because 11740809 - 2⁵ = 11740777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11740819) 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 7 ways as a sum of consecutive naturals, for example, 26587 + ... + 27024.

It is an arithmetic number, because the mean of its divisors is an integer number (1983644).

Almost surely, 2^11740809 is an apocalyptic number.

It is an amenable number.

11740809 is a deficient number, since it is larger than the sum of its proper divisors (4128343).

11740809 is an equidigital number, since it uses as much as digits as its factorization.

11740809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53687.

The product of its (nonzero) digits is 2016, while the sum is 30.

The square root of 11740809 is about 3426.4863927936. The cubic root of 11740809 is about 227.2825051745.

The spelling of 11740809 in words is "eleven million, seven hundred forty thousand, eight hundred nine".