11665214 has 8 divisors (see below), whose sum is σ = 19088568. Its totient is φ = 5302360.

The previous prime is 11665211. The next prime is 11665223. The reversal of 11665214 is 41256611.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11665211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 265097 + ... + 265140.

It is an arithmetic number, because the mean of its divisors is an integer number (2386071).

Almost surely, 2^11665214 is an apocalyptic number.

11665214 is a deficient number, since it is larger than the sum of its proper divisors (7423354).

11665214 is a wasteful number, since it uses less digits than its factorization.

11665214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 530250.

The product of its digits is 1440, while the sum is 26.

The square root of 11665214 is about 3415.4376000741. The cubic root of 11665214 is about 226.7936567336.

The spelling of 11665214 in words is "eleven million, six hundred sixty-five thousand, two hundred fourteen".