13004422 has 24 divisors (see below), whose sum is σ = 20998800. Its totient is φ = 6038400.

The previous prime is 13004393. The next prime is 13004449. The reversal of 13004422 is 22440031.

13004422 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×13004422² = 338229983108168, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13004396 and 13004405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 86047 + ... + 86197.

It is an arithmetic number, because the mean of its divisors is an integer number (874950).

Almost surely, 2^13004422 is an apocalyptic number.

13004422 is a deficient number, since it is larger than the sum of its proper divisors (7994378).

13004422 is a wasteful number, since it uses less digits than its factorization.

13004422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336 (or 319 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 13004422 is about 3606.1644443924. The cubic root of 13004422 is about 235.1601262677.

Adding to 13004422 its reverse (22440031), we get a palindrome (35444453).

The spelling of 13004422 in words is "thirteen million, four thousand, four hundred twenty-two".