11560217 has 4 divisors (see below), whose sum is σ = 11568000. Its totient is φ = 11552436.

The previous prime is 11560141. The next prime is 11560231. The reversal of 11560217 is 71206511.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11560217 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11560192 and 11560201.

It is not an unprimeable number, because it can be changed into a prime (11560277) 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, 893 + ... + 4890.

It is an arithmetic number, because the mean of its divisors is an integer number (2892000).

Almost surely, 2^11560217 is an apocalyptic number.

It is an amenable number.

11560217 is a deficient number, since it is larger than the sum of its proper divisors (7783).

11560217 is an equidigital number, since it uses as much as digits as its factorization.

11560217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7782.

The product of its (nonzero) digits is 420, while the sum is 23.

The square root of 11560217 is about 3400.0319116149. The cubic root of 11560217 is about 226.1111586726. Note that the first 4 decimals are identical.

Adding to 11560217 its reverse (71206511), we get a palindrome (82766728).

The spelling of 11560217 in words is "eleven million, five hundred sixty thousand, two hundred seventeen".