13442161 has 2 divisors, whose sum is σ = 13442162. Its totient is φ = 13442160.

The previous prime is 13442153. The next prime is 13442173. The reversal of 13442161 is 16124431.

13442161 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10400625 + 3041536 = 3225^2 + 1744^2 .

It is a cyclic number.

It is not a de Polignac number, because 13442161 - 2³ = 13442153 is a prime.

It is not a weakly prime, because it can be changed into another prime (13442111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6721080 + 6721081.

It is an arithmetic number, because the mean of its divisors is an integer number (6721081).

Almost surely, 2^13442161 is an apocalyptic number.

It is an amenable number.

13442161 is a deficient number, since it is larger than the sum of its proper divisors (1).

13442161 is an equidigital number, since it uses as much as digits as its factorization.

13442161 is an evil number, because the sum of its binary digits is even.

The product of its digits is 576, while the sum is 22.

The square root of 13442161 is about 3666.3552746563. The cubic root of 13442161 is about 237.7696203000.

Adding to 13442161 its reverse (16124431), we get a palindrome (29566592).

The spelling of 13442161 in words is "thirteen million, four hundred forty-two thousand, one hundred sixty-one".