11882666 has 4 divisors (see below), whose sum is σ = 17824002. Its totient is φ = 5941332.

The previous prime is 11882639. The next prime is 11882669. The reversal of 11882666 is 66628811.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 66628811 = 193 ⋅345227.

It can be written as a sum of positive squares in only one way, i.e., 11868025 + 14641 = 3445^2 + 121^2 .

It is a super-3 number, since 3×11882666³ (a number of 22 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (11882669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2970665 + ... + 2970668.

Almost surely, 2^11882666 is an apocalyptic number.

11882666 is a deficient number, since it is larger than the sum of its proper divisors (5941336).

11882666 is an equidigital number, since it uses as much as digits as its factorization.

11882666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5941335.

The product of its digits is 27648, while the sum is 38.

The square root of 11882666 is about 3447.1243087536. The cubic root of 11882666 is about 228.1942148392.

The spelling of 11882666 in words is "eleven million, eight hundred eighty-two thousand, six hundred sixty-six".