11865606 has 8 divisors (see below), whose sum is σ = 23731224. Its totient is φ = 3955200.

The previous prime is 11865593. The next prime is 11865613. The reversal of 11865606 is 60656811.

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

11865606 is an admirable number.

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, 988795 + ... + 988806.

It is an arithmetic number, because the mean of its divisors is an integer number (2966403).

Almost surely, 2^11865606 is an apocalyptic number.

11865606 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11865606 is a wasteful number, since it uses less digits than its factorization.

11865606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1977606.

The product of its (nonzero) digits is 8640, while the sum is 33.

The square root of 11865606 is about 3444.6488935739. The cubic root of 11865606 is about 228.0849560288.

The spelling of 11865606 in words is "eleven million, eight hundred sixty-five thousand, six hundred six".