13362161 has 2 divisors, whose sum is σ = 13362162. Its totient is φ = 13362160.

The previous prime is 13362157. The next prime is 13362179. The reversal of 13362161 is 16126331.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13359025 + 3136 = 3655^2 + 56^2 .

It is a cyclic number.

It is not a de Polignac number, because 13362161 - 2² = 13362157 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (13362191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6681080 + 6681081.

It is an arithmetic number, because the mean of its divisors is an integer number (6681081).

Almost surely, 2^13362161 is an apocalyptic number.

It is an amenable number.

13362161 is a deficient number, since it is larger than the sum of its proper divisors (1).

13362161 is an equidigital number, since it uses as much as digits as its factorization.

13362161 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 648, while the sum is 23.

The square root of 13362161 is about 3655.4289761942. The cubic root of 13362161 is about 237.2969921755.

Adding to 13362161 its reverse (16126331), we get a palindrome (29488492).

The spelling of 13362161 in words is "thirteen million, three hundred sixty-two thousand, one hundred sixty-one".