13405132 has 12 divisors (see below), whose sum is σ = 25263616. Its totient is φ = 6186960.

The previous prime is 13405123. The next prime is 13405151. The reversal of 13405132 is 23150431.

13405132 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 128844 + ... + 128947.

Almost surely, 2^13405132 is an apocalyptic number.

It is an amenable number.

13405132 is a deficient number, since it is larger than the sum of its proper divisors (11858484).

13405132 is a wasteful number, since it uses less digits than its factorization.

13405132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257808 (or 257806 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 13405132 is about 3661.3019542234. The cubic root of 13405132 is about 237.5510922397.

Adding to 13405132 its reverse (23150431), we get a palindrome (36555563).

The spelling of 13405132 in words is "thirteen million, four hundred five thousand, one hundred thirty-two".