13404241 has 2 divisors, whose sum is σ = 13404242. Its totient is φ = 13404240.

The previous prime is 13404233. The next prime is 13404247. The reversal of 13404241 is 14240431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10857025 + 2547216 = 3295^2 + 1596^2 .

It is an emirp because it is prime and its reverse (14240431) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13404241 - 2³ = 13404233 is a prime.

It is a nialpdrome in base 16.

It is not a weakly prime, because it can be changed into another prime (13404247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6702120 + 6702121.

It is an arithmetic number, because the mean of its divisors is an integer number (6702121).

Almost surely, 2^13404241 is an apocalyptic number.

It is an amenable number.

13404241 is a deficient number, since it is larger than the sum of its proper divisors (1).

13404241 is an equidigital number, since it uses as much as digits as its factorization.

13404241 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 13404241 is about 3661.1802741739. The cubic root of 13404241 is about 237.5458290139.

Adding to 13404241 its reverse (14240431), we get a palindrome (27644672).

The spelling of 13404241 in words is "thirteen million, four hundred four thousand, two hundred forty-one".