13344161 has 4 divisors (see below), whose sum is σ = 13704852. Its totient is φ = 12983472.

The previous prime is 13344157. The next prime is 13344169. The reversal of 13344161 is 16144331.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 16144331 = 7 ⋅2306333.

It can be written as a sum of positive squares in 2 ways, for example, as 10923025 + 2421136 = 3305^2 + 1556^2 .

It is a cyclic number.

It is not a de Polignac number, because 13344161 - 2² = 13344157 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13344169) 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, 180290 + ... + 180363.

It is an arithmetic number, because the mean of its divisors is an integer number (3426213).

Almost surely, 2^13344161 is an apocalyptic number.

It is an amenable number.

13344161 is a deficient number, since it is larger than the sum of its proper divisors (360691).

13344161 is an equidigital number, since it uses as much as digits as its factorization.

13344161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 360690.

The product of its digits is 864, while the sum is 23.

The square root of 13344161 is about 3652.9660551393. The cubic root of 13344161 is about 237.1903910238.

Adding to 13344161 its reverse (16144331), we get a palindrome (29488492).

The spelling of 13344161 in words is "thirteen million, three hundred forty-four thousand, one hundred sixty-one".