13268161 has 4 divisors (see below), whose sum is σ = 13277524. Its totient is φ = 13258800.

The previous prime is 13268159. The next prime is 13268173. The reversal of 13268161 is 16186231.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 4601025 + 8667136 = 2145^2 + 2944^2 .

It is a cyclic number.

It is not a de Polignac number, because 13268161 - 2¹ = 13268159 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13268141) 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, 2070 + ... + 5551.

It is an arithmetic number, because the mean of its divisors is an integer number (3319381).

Almost surely, 2^13268161 is an apocalyptic number.

It is an amenable number.

13268161 is a deficient number, since it is larger than the sum of its proper divisors (9363).

13268161 is an equidigital number, since it uses as much as digits as its factorization.

13268161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9362.

The product of its digits is 1728, while the sum is 28.

The square root of 13268161 is about 3642.5486956251. The cubic root of 13268161 is about 236.7392373715.

The spelling of 13268161 in words is "thirteen million, two hundred sixty-eight thousand, one hundred sixty-one".