13165441 has 2 divisors, whose sum is σ = 13165442. Its totient is φ = 13165440.

The previous prime is 13165417. The next prime is 13165457. The reversal of 13165441 is 14456131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6739216 + 6426225 = 2596^2 + 2535^2 .

It is a cyclic number.

It is not a de Polignac number, because 13165441 - 2¹¹ = 13163393 is a prime.

It is not a weakly prime, because it can be changed into another prime (13165241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6582720 + 6582721.

It is an arithmetic number, because the mean of its divisors is an integer number (6582721).

Almost surely, 2^13165441 is an apocalyptic number.

It is an amenable number.

13165441 is a deficient number, since it is larger than the sum of its proper divisors (1).

13165441 is an equidigital number, since it uses as much as digits as its factorization.

13165441 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1440, while the sum is 25.

The square root of 13165441 is about 3628.4212820454. The cubic root of 13165441 is about 236.1267214203.

The spelling of 13165441 in words is "thirteen million, one hundred sixty-five thousand, four hundred forty-one".