11286666 has 48 divisors (see below), whose sum is σ = 25608960. Its totient is φ = 3588480.

The previous prime is 11286643. The next prime is 11286679. The reversal of 11286666 is 66668211.

11286666 is a modest number, since divided by 6666 gives 1128 as remainder.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 11286666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 62965 + ... + 63143.

It is an arithmetic number, because the mean of its divisors is an integer number (533520).

Almost surely, 2^11286666 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11286666, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12804480).

11286666 is an abundant number, since it is smaller than the sum of its proper divisors (14322294).

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

11286666 is a wasteful number, since it uses less digits than its factorization.

11286666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331 (or 328 counting only the distinct ones).

The product of its digits is 20736, while the sum is 36.

The square root of 11286666 is about 3359.5633644865. The cubic root of 11286666 is about 224.3134032493.

The spelling of 11286666 in words is "eleven million, two hundred eighty-six thousand, six hundred sixty-six".