11593609 has 4 divisors (see below), whose sum is σ = 12275604. Its totient is φ = 10911616.

The previous prime is 11593607. The next prime is 11593627. The reversal of 11593609 is 90639511.

11593609 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 is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4687225 + 6906384 = 2165^2 + 2628^2 .

It is a cyclic number.

It is not a de Polignac number, because 11593609 - 2¹ = 11593607 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11593607) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 340972 + ... + 341005.

It is an arithmetic number, because the mean of its divisors is an integer number (3068901).

Almost surely, 2^11593609 is an apocalyptic number.

It is an amenable number.

11593609 is a deficient number, since it is larger than the sum of its proper divisors (681995).

11593609 is an equidigital number, since it uses as much as digits as its factorization.

11593609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 681994.

The product of its (nonzero) digits is 7290, while the sum is 34.

The square root of 11593609 is about 3404.9389128147. The cubic root of 11593609 is about 226.3286587911.

The spelling of 11593609 in words is "eleven million, five hundred ninety-three thousand, six hundred nine".