11687066 has 4 divisors (see below), whose sum is σ = 17530602. Its totient is φ = 5843532.

The previous prime is 11687063. The next prime is 11687077. The reversal of 11687066 is 66078611.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 66078611 = 6197 ⋅10663.

It can be written as a sum of positive squares in only one way, i.e., 9174841 + 2512225 = 3029^2 + 1585^2 .

It is not an unprimeable number, because it can be changed into a prime (11687063) 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, 2921765 + ... + 2921768.

Almost surely, 2^11687066 is an apocalyptic number.

11687066 is a deficient number, since it is larger than the sum of its proper divisors (5843536).

11687066 is an equidigital number, since it uses as much as digits as its factorization.

11687066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5843535.

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

The square root of 11687066 is about 3418.6351077587. The cubic root of 11687066 is about 226.9351830311.

The spelling of 11687066 in words is "eleven million, six hundred eighty-seven thousand, sixty-six".