13405422 has 32 divisors (see below), whose sum is σ = 27675648. Its totient is φ = 4326336.

The previous prime is 13405411. The next prime is 13405429. The reversal of 13405422 is 22450431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13405429) 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 in 15 ways as a sum of consecutive naturals, for example, 57418 + ... + 57650.

It is an arithmetic number, because the mean of its divisors is an integer number (864864).

Almost surely, 2^13405422 is an apocalyptic number.

13405422 is an abundant number, since it is smaller than the sum of its proper divisors (14270226).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13405422 is a wasteful number, since it uses less digits than its factorization.

13405422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 504.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 13405422 is about 3661.3415574076. The cubic root of 13405422 is about 237.5528052484.

Adding to 13405422 its reverse (22450431), we get a palindrome (35855853).

The spelling of 13405422 in words is "thirteen million, four hundred five thousand, four hundred twenty-two".