11690909 has 8 divisors (see below), whose sum is σ = 12516000. Its totient is φ = 10886832.

The previous prime is 11690893. The next prime is 11690933. The reversal of 11690909 is 90909611.

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 11690909 - 2⁴ = 11690893 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11690989) 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, 4094 + ... + 6335.

It is an arithmetic number, because the mean of its divisors is an integer number (1564500).

Almost surely, 2^11690909 is an apocalyptic number.

11690909 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

11690909 is a deficient number, since it is larger than the sum of its proper divisors (825091).

11690909 is a wasteful number, since it uses less digits than its factorization.

11690909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10507.

The product of its (nonzero) digits is 4374, while the sum is 35.

The square root of 11690909 is about 3419.1971279819. The cubic root of 11690909 is about 226.9600542958.

The spelling of 11690909 in words is "eleven million, six hundred ninety thousand, nine hundred nine".