11589560 has 64 divisors (see below), whose sum is σ = 27518400. Its totient is φ = 4386816.

The previous prime is 11589559. The next prime is 11589607. The reversal of 11589560 is 6598511.

It is a self number, because there is not a number n which added to its sum of digits gives 11589560.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 112469 + ... + 112571.

It is an arithmetic number, because the mean of its divisors is an integer number (429975).

Almost surely, 2^11589560 is an apocalyptic number.

11589560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11589560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13759200).

11589560 is an abundant number, since it is smaller than the sum of its proper divisors (15928840).

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

11589560 is a wasteful number, since it uses less digits than its factorization.

11589560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240 (or 236 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 35.

The square root of 11589560 is about 3404.3442834120. The cubic root of 11589560 is about 226.3023077373.

The spelling of 11589560 in words is "eleven million, five hundred eighty-nine thousand, five hundred sixty".