11821336 has 16 divisors (see below), whose sum is σ = 22415400. Its totient is φ = 5843904.

The previous prime is 11821331. The next prime is 11821349. The reversal of 11821336 is 63312811.

It is a self number, because there is not a number n which added to its sum of digits gives 11821336.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11821331) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7590 + ... + 9013.

Almost surely, 2^11821336 is an apocalyptic number.

It is an amenable number.

11821336 is a deficient number, since it is larger than the sum of its proper divisors (10594064).

11821336 is a wasteful number, since it uses less digits than its factorization.

11821336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16698 (or 16694 counting only the distinct ones).

The product of its digits is 864, while the sum is 25.

The square root of 11821336 is about 3438.2169797731. The cubic root of 11821336 is about 227.8009445580.

The spelling of 11821336 in words is "eleven million, eight hundred twenty-one thousand, three hundred thirty-six".