11870666 has 16 divisors (see below), whose sum is σ = 18420864. Its totient is φ = 5733504.

The previous prime is 11870633. The next prime is 11870671. The reversal of 11870666 is 66607811.

It is a super-2 number, since 2×11870666² = 281825422567112, which contains 22 as substring.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 7631 + ... + 9053.

It is an arithmetic number, because the mean of its divisors is an integer number (1151304).

Almost surely, 2^11870666 is an apocalyptic number.

11870666 is a deficient number, since it is larger than the sum of its proper divisors (6550198).

11870666 is a wasteful number, since it uses less digits than its factorization.

11870666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1565.

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 11870666 is about 3445.3832878215. The cubic root of 11870666 is about 228.1173731359.

The spelling of 11870666 in words is "eleven million, eight hundred seventy thousand, six hundred sixty-six".