13408273 has 2 divisors, whose sum is σ = 13408274. Its totient is φ = 13408272.

The previous prime is 13408261. The next prime is 13408313. The reversal of 13408273 is 37280431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7800849 + 5607424 = 2793^2 + 2368^2 .

It is an emirp because it is prime and its reverse (37280431) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13408273 - 2¹³ = 13400081 is a prime.

It is a nialpdrome in base 16.

It is not a weakly prime, because it can be changed into another prime (13408873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6704136 + 6704137.

It is an arithmetic number, because the mean of its divisors is an integer number (6704137).

Almost surely, 2^13408273 is an apocalyptic number.

It is an amenable number.

13408273 is a deficient number, since it is larger than the sum of its proper divisors (1).

13408273 is an equidigital number, since it uses as much as digits as its factorization.

13408273 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 13408273 is about 3661.7308748732. The cubic root of 13408273 is about 237.5696445800.

The spelling of 13408273 in words is "thirteen million, four hundred eight thousand, two hundred seventy-three".