11289668 has 24 divisors (see below), whose sum is σ = 21403200. Its totient is φ = 5179680.

The previous prime is 11289659. The next prime is 11289721. The reversal of 11289668 is 86698211.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9803 + ... + 10893.

It is an arithmetic number, because the mean of its divisors is an integer number (891800).

Almost surely, 2^11289668 is an apocalyptic number.

It is an amenable number.

11289668 is a deficient number, since it is larger than the sum of its proper divisors (10113532).

11289668 is a wasteful number, since it uses less digits than its factorization.

11289668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1307 (or 1305 counting only the distinct ones).

The product of its digits is 41472, while the sum is 41.

The square root of 11289668 is about 3360.0101190324. The cubic root of 11289668 is about 224.3332889310. Note that the first 3 decimals are identical.

The spelling of 11289668 in words is "eleven million, two hundred eighty-nine thousand, six hundred sixty-eight".