11985593 has 2 divisors, whose sum is σ = 11985594. Its totient is φ = 11985592.

The previous prime is 11985559. The next prime is 11985601. The reversal of 11985593 is 39558911.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7997584 + 3988009 = 2828^2 + 1997^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11985593 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11985593.

It is not a weakly prime, because it can be changed into another prime (11985793) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5992796 + 5992797.

It is an arithmetic number, because the mean of its divisors is an integer number (5992797).

Almost surely, 2^11985593 is an apocalyptic number.

It is an amenable number.

11985593 is a deficient number, since it is larger than the sum of its proper divisors (1).

11985593 is an equidigital number, since it uses as much as digits as its factorization.

11985593 is an evil number, because the sum of its binary digits is even.

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

The square root of 11985593 is about 3462.0215192861. The cubic root of 11985593 is about 228.8511901636.

The spelling of 11985593 in words is "eleven million, nine hundred eighty-five thousand, five hundred ninety-three".