11560663 has 4 divisors (see below), whose sum is σ = 12240720. Its totient is φ = 10880608.

The previous prime is 11560643. The next prime is 11560693. The reversal of 11560663 is 36606511.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11560663 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11560643) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 340003 + ... + 340036.

It is an arithmetic number, because the mean of its divisors is an integer number (3060180).

Almost surely, 2^11560663 is an apocalyptic number.

11560663 is a deficient number, since it is larger than the sum of its proper divisors (680057).

11560663 is an equidigital number, since it uses as much as digits as its factorization.

11560663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 680056.

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 11560663 is about 3400.0974986021. The cubic root of 11560663 is about 226.1140664692.

The spelling of 11560663 in words is "eleven million, five hundred sixty thousand, six hundred sixty-three".