13405459 has 2 divisors, whose sum is σ = 13405460. Its totient is φ = 13405458.

The previous prime is 13405451. The next prime is 13405471. The reversal of 13405459 is 95450431.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13405459 - 2³ = 13405451 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 13405459.

It is not a weakly prime, because it can be changed into another prime (13405451) 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, 6702729 + 6702730.

It is an arithmetic number, because the mean of its divisors is an integer number (6702730).

Almost surely, 2^13405459 is an apocalyptic number.

13405459 is a deficient number, since it is larger than the sum of its proper divisors (1).

13405459 is an equidigital number, since it uses as much as digits as its factorization.

13405459 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 13405459 is about 3661.3466101969. The cubic root of 13405459 is about 237.5530238029.

The spelling of 13405459 in words is "thirteen million, four hundred five thousand, four hundred fifty-nine".