11698666 has 16 divisors (see below), whose sum is σ = 20522304. Its totient is φ = 4896864.

The previous prime is 11698663. The next prime is 11698679. The reversal of 11698666 is 66689611.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is not an unprimeable number, because it can be changed into a prime (11698663) 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 in 7 ways as a sum of consecutive naturals, for example, 9115 + ... + 10318.

It is an arithmetic number, because the mean of its divisors is an integer number (1282644).

Almost surely, 2^11698666 is an apocalyptic number.

11698666 is a deficient number, since it is larger than the sum of its proper divisors (8823638).

11698666 is a wasteful number, since it uses less digits than its factorization.

11698666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19485.

The product of its digits is 93312, while the sum is 43.

The square root of 11698666 is about 3420.3312705058. The cubic root of 11698666 is about 227.0102397265.

The spelling of 11698666 in words is "eleven million, six hundred ninety-eight thousand, six hundred sixty-six".