11965266 has 32 divisors (see below), whose sum is σ = 27213120. Its totient is φ = 3894912.

The previous prime is 11965253. The next prime is 11965271. The reversal of 11965266 is 66256911.

11965266 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 11965266.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 255 + ... + 4898.

It is an arithmetic number, because the mean of its divisors is an integer number (850410).

Almost surely, 2^11965266 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11965266, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13606560).

11965266 is an abundant number, since it is smaller than the sum of its proper divisors (15247854).

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

11965266 is a wasteful number, since it uses less digits than its factorization.

11965266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5207 (or 5201 counting only the distinct ones).

The product of its digits is 19440, while the sum is 36.

The square root of 11965266 is about 3459.0845609785. The cubic root of 11965266 is about 228.7217433520.

The spelling of 11965266 in words is "eleven million, nine hundred sixty-five thousand, two hundred sixty-six".