11936009 has 8 divisors (see below), whose sum is σ = 12596640. Its totient is φ = 11278656.

The previous prime is 11935999. The next prime is 11936017. The reversal of 11936009 is 90063911.

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 11936009 - 2⁴ = 11935993 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11936039) 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, 11729 + ... + 12705.

It is an arithmetic number, because the mean of its divisors is an integer number (1574580).

Almost surely, 2^11936009 is an apocalyptic number.

11936009 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

11936009 is a deficient number, since it is larger than the sum of its proper divisors (660631).

11936009 is an equidigital number, since it uses as much as digits as its factorization.

11936009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1639.

The product of its (nonzero) digits is 1458, while the sum is 29.

The square root of 11936009 is about 3454.8529635861. The cubic root of 11936009 is about 228.5351707183.

The spelling of 11936009 in words is "eleven million, nine hundred thirty-six thousand, nine".