13310561 has 4 divisors (see below), whose sum is σ = 14520624. Its totient is φ = 12100500.

The previous prime is 13310543. The next prime is 13310569. The reversal of 13310561 is 16501331.

It is a happy number.

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.

It is a cyclic number.

It is not a de Polignac number, because 13310561 - 2¹⁸ = 13048417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13310569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 605015 + ... + 605036.

It is an arithmetic number, because the mean of its divisors is an integer number (3630156).

Almost surely, 2^13310561 is an apocalyptic number.

13310561 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

13310561 is a deficient number, since it is larger than the sum of its proper divisors (1210063).

13310561 is a wasteful number, since it uses less digits than its factorization.

13310561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1210062.

The product of its (nonzero) digits is 270, while the sum is 20.

The square root of 13310561 is about 3648.3641539737. The cubic root of 13310561 is about 236.9911454376.

Adding to 13310561 its reverse (16501331), we get a palindrome (29811892).

The spelling of 13310561 in words is "thirteen million, three hundred ten thousand, five hundred sixty-one".