11992266 has 64 divisors (see below), whose sum is σ = 31328640. Its totient is φ = 3352320.

The previous prime is 11992243. The next prime is 11992291. The reversal of 11992266 is 66229911.

It is a nude number because it is divisible by every one of its digits.

It is a zygodrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 11992266.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6946 + ... + 8498.

It is an arithmetic number, because the mean of its divisors is an integer number (489510).

Almost surely, 2^11992266 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11992266, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15664320).

11992266 is an abundant number, since it is smaller than the sum of its proper divisors (19336374).

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

11992266 is a wasteful number, since it uses less digits than its factorization.

11992266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1588 (or 1582 counting only the distinct ones).

The product of its digits is 11664, while the sum is 36.

The square root of 11992266 is about 3462.9851284694. The cubic root of 11992266 is about 228.8936533851.

The spelling of 11992266 in words is "eleven million, nine hundred ninety-two thousand, two hundred sixty-six".