11961336 has 64 divisors (see below), whose sum is σ = 33350400. Its totient is φ = 3552768.

The previous prime is 11961289. The next prime is 11961343. The reversal of 11961336 is 63316911.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 6981 + ... + 8523.

It is an arithmetic number, because the mean of its divisors is an integer number (521100).

Almost surely, 2^11961336 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11961336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16675200).

11961336 is an abundant number, since it is smaller than the sum of its proper divisors (21389064).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11961336 is a wasteful number, since it uses less digits than its factorization.

11961336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1588 (or 1584 counting only the distinct ones).

The product of its digits is 2916, while the sum is 30.

The square root of 11961336 is about 3458.5164449515. The cubic root of 11961336 is about 228.6966993376.

The spelling of 11961336 in words is "eleven million, nine hundred sixty-one thousand, three hundred thirty-six".