11809606 has 8 divisors (see below), whose sum is σ = 18126504. Its totient is φ = 5767440.

The previous prime is 11809601. The next prime is 11809613. The reversal of 11809606 is 60690811.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11809601) 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, 68575 + ... + 68746.

It is an arithmetic number, because the mean of its divisors is an integer number (2265813).

Almost surely, 2^11809606 is an apocalyptic number.

11809606 is a deficient number, since it is larger than the sum of its proper divisors (6316898).

11809606 is a wasteful number, since it uses less digits than its factorization.

11809606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137366.

The product of its (nonzero) digits is 2592, while the sum is 31.

The square root of 11809606 is about 3436.5107303775. The cubic root of 11809606 is about 227.7255726658.

The spelling of 11809606 in words is "eleven million, eight hundred nine thousand, six hundred six".