11599641 has 6 divisors (see below), whose sum is σ = 16755050. Its totient is φ = 7733088.

The previous prime is 11599639. The next prime is 11599663. The reversal of 11599641 is 14699511.

11599641 is a `hidden beast` number, since 1 + 1 + 5 + 9 + 9 + 641 = 666.

11599641 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 10265616 + 1334025 = 3204^2 + 1155^2 .

It is not a de Polignac number, because 11599641 - 2¹ = 11599639 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 11599596 and 11599605.

It is not an unprimeable number, because it can be changed into a prime (11599691) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 644416 + ... + 644433.

Almost surely, 2^11599641 is an apocalyptic number.

It is an amenable number.

11599641 is a deficient number, since it is larger than the sum of its proper divisors (5155409).

11599641 is a wasteful number, since it uses less digits than its factorization.

11599641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1288855 (or 1288852 counting only the distinct ones).

The product of its digits is 9720, while the sum is 36.

The square root of 11599641 is about 3405.8245697628. The cubic root of 11599641 is about 226.3679039123.

The spelling of 11599641 in words is "eleven million, five hundred ninety-nine thousand, six hundred forty-one".