13408463 has 2 divisors, whose sum is σ = 13408464. Its totient is φ = 13408462.

The previous prime is 13408397. The next prime is 13408481. The reversal of 13408463 is 36480431.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13408463 - 2¹⁰ = 13407439 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13408963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6704231 + 6704232.

It is an arithmetic number, because the mean of its divisors is an integer number (6704232).

Almost surely, 2^13408463 is an apocalyptic number.

13408463 is a deficient number, since it is larger than the sum of its proper divisors (1).

13408463 is an equidigital number, since it uses as much as digits as its factorization.

13408463 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 13408463 is about 3661.7568187961. The cubic root of 13408463 is about 237.5707667235.

Adding to 13408463 its reverse (36480431), we get a palindrome (49888894).

The spelling of 13408463 in words is "thirteen million, four hundred eight thousand, four hundred sixty-three".