13405106 has 24 divisors (see below), whose sum is σ = 23807532. Its totient is φ = 5623200.

The previous prime is 13405103. The next prime is 13405111. The reversal of 13405106 is 60150431.

13405106 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 13256881 + 148225 = 3641^2 + 385^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13405103) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1016 + ... + 5276.

Almost surely, 2^13405106 is an apocalyptic number.

13405106 is a deficient number, since it is larger than the sum of its proper divisors (10402426).

13405106 is a wasteful number, since it uses less digits than its factorization.

13405106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4298 (or 4287 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 13405106 is about 3661.2984035722. The cubic root of 13405106 is about 237.5509386585.

Adding to 13405106 its reverse (60150431), we get a palindrome (73555537).

It can be divided in two parts, 1340 and 5106, that added together give a palindrome (6446).

The spelling of 13405106 in words is "thirteen million, four hundred five thousand, one hundred six".