13110561 has 12 divisors (see below), whose sum is σ = 19122688. Its totient is φ = 8654904.

The previous prime is 13110533. The next prime is 13110569. The reversal of 13110561 is 16501131.

It is not a de Polignac number, because 13110561 - 2¹⁴ = 13094177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13110569) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6145 + ... + 7998.

Almost surely, 2^13110561 is an apocalyptic number.

It is an amenable number.

13110561 is a deficient number, since it is larger than the sum of its proper divisors (6012127).

13110561 is a wasteful number, since it uses less digits than its factorization.

13110561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14252 (or 14249 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 18.

The square root of 13110561 is about 3620.8508668544. The cubic root of 13110561 is about 235.7981672341.

Adding to 13110561 its reverse (16501131), we get a palindrome (29611692).

The spelling of 13110561 in words is "thirteen million, one hundred ten thousand, five hundred sixty-one".