13409441 has 2 divisors, whose sum is σ = 13409442. Its totient is φ = 13409440.

The previous prime is 13409401. The next prime is 13409491. The reversal of 13409441 is 14490431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9120400 + 4289041 = 3020^2 + 2071^2 .

It is a cyclic number.

It is not a de Polignac number, because 13409441 - 2¹⁴ = 13393057 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13409441.

It is not a weakly prime, because it can be changed into another prime (13409401) 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 as a sum of consecutive naturals, namely, 6704720 + 6704721.

It is an arithmetic number, because the mean of its divisors is an integer number (6704721).

Almost surely, 2^13409441 is an apocalyptic number.

It is an amenable number.

13409441 is a deficient number, since it is larger than the sum of its proper divisors (1).

13409441 is an equidigital number, since it uses as much as digits as its factorization.

13409441 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 13409441 is about 3661.8903588174. The cubic root of 13409441 is about 237.5765426418.

Adding to 13409441 its reverse (14490431), we get a palindrome (27899872).

The spelling of 13409441 in words is "thirteen million, four hundred nine thousand, four hundred forty-one".