11989606 has 8 divisors (see below), whose sum is σ = 18367200. Its totient is φ = 5867208.

The previous prime is 11989597. The next prime is 11989657. The reversal of 11989606 is 60698911.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63681 + ... + 63868.

It is an arithmetic number, because the mean of its divisors is an integer number (2295900).

Almost surely, 2^11989606 is an apocalyptic number.

11989606 is a deficient number, since it is larger than the sum of its proper divisors (6377594).

11989606 is a wasteful number, since it uses less digits than its factorization.

11989606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127598.

The product of its (nonzero) digits is 23328, while the sum is 40.

The square root of 11989606 is about 3462.6010454570. The cubic root of 11989606 is about 228.8767285287.

The spelling of 11989606 in words is "eleven million, nine hundred eighty-nine thousand, six hundred six".