13408205 has 16 divisors (see below), whose sum is σ = 17262720. Its totient is φ = 9966528.

The previous prime is 13408201. The next prime is 13408211. The reversal of 13408205 is 50280431.

It is a cyclic number.

It is not a de Polignac number, because 13408205 - 2² = 13408201 is a prime.

It is a super-2 number, since 2×13408205² = 359559922644050, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13408201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3704 + ... + 6366.

It is an arithmetic number, because the mean of its divisors is an integer number (1078920).

Almost surely, 2^13408205 is an apocalyptic number.

It is an amenable number.

13408205 is a deficient number, since it is larger than the sum of its proper divisors (3854515).

13408205 is a wasteful number, since it uses less digits than its factorization.

13408205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2740.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 13408205 is about 3661.7215896351. The cubic root of 13408205 is about 237.5692429682.

Adding to 13408205 its reverse (50280431), we get a palindrome (63688636).

The spelling of 13408205 in words is "thirteen million, four hundred eight thousand, two hundred five".