11862666 has 16 divisors (see below), whose sum is σ = 26361600. Its totient is φ = 3954204.

The previous prime is 11862661. The next prime is 11862673. The reversal of 11862666 is 66626811.

It is a self number, because there is not a number n which added to its sum of digits gives 11862666.

It is not an unprimeable number, because it can be changed into a prime (11862661) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109786 + ... + 109893.

It is an arithmetic number, because the mean of its divisors is an integer number (1647600).

Almost surely, 2^11862666 is an apocalyptic number.

11862666 is an abundant number, since it is smaller than the sum of its proper divisors (14498934).

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

11862666 is a wasteful number, since it uses less digits than its factorization.

11862666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219690 (or 219684 counting only the distinct ones).

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

The square root of 11862666 is about 3444.2221182729. Note that the first 3 decimals coincide. The cubic root of 11862666 is about 228.0661165594.

The spelling of 11862666 in words is "eleven million, eight hundred sixty-two thousand, six hundred sixty-six".