11993585 has 8 divisors (see below), whose sum is σ = 15239016. Its totient is φ = 9030400.

The previous prime is 11993581. The next prime is 11993591. The reversal of 11993585 is 58539911.

11993585 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 5798464 + 6195121 = 2408^2 + 2489^2 .

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

It is not a de Polignac number, because 11993585 - 2² = 11993581 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11993581) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70466 + ... + 70635.

It is an arithmetic number, because the mean of its divisors is an integer number (1904877).

Almost surely, 2^11993585 is an apocalyptic number.

It is an amenable number.

11993585 is a deficient number, since it is larger than the sum of its proper divisors (3245431).

11993585 is a wasteful number, since it uses less digits than its factorization.

11993585 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141123.

The product of its digits is 48600, while the sum is 41.

The square root of 11993585 is about 3463.1755658644. The cubic root of 11993585 is about 228.9020448951.

The spelling of 11993585 in words is "eleven million, nine hundred ninety-three thousand, five hundred eighty-five".