13408873 has 2 divisors, whose sum is σ = 13408874. Its totient is φ = 13408872.

The previous prime is 13408867. The next prime is 13408877. The reversal of 13408873 is 37880431.

13408873 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9753129 + 3655744 = 3123^2 + 1912^2 .

It is a cyclic number.

It is not a de Polignac number, because 13408873 - 2¹⁷ = 13277801 is a prime.

It is not a weakly prime, because it can be changed into another prime (13408877) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6704436 + 6704437.

It is an arithmetic number, because the mean of its divisors is an integer number (6704437).

Almost surely, 2^13408873 is an apocalyptic number.

It is an amenable number.

13408873 is a deficient number, since it is larger than the sum of its proper divisors (1).

13408873 is an equidigital number, since it uses as much as digits as its factorization.

13408873 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 13408873 is about 3661.8128024245. The cubic root of 13408873 is about 237.5731881550.

The spelling of 13408873 in words is "thirteen million, four hundred eight thousand, eight hundred seventy-three".