13408519 has 2 divisors, whose sum is σ = 13408520. Its totient is φ = 13408518.

The previous prime is 13408511. The next prime is 13408531. The reversal of 13408519 is 91580431.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13408519 - 2³ = 13408511 is a prime.

It is a super-2 number, since 2×13408519² = 359576763546722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13408511) 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, 6704259 + 6704260.

It is an arithmetic number, because the mean of its divisors is an integer number (6704260).

Almost surely, 2^13408519 is an apocalyptic number.

13408519 is a deficient number, since it is larger than the sum of its proper divisors (1).

13408519 is an equidigital number, since it uses as much as digits as its factorization.

13408519 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 31.

The square root of 13408519 is about 3661.7644653910. The cubic root of 13408519 is about 237.5710974585.

The spelling of 13408519 in words is "thirteen million, four hundred eight thousand, five hundred nineteen".