13205422 has 4 divisors (see below), whose sum is σ = 19808136. Its totient is φ = 6602710.

The previous prime is 13205419. The next prime is 13205461. The reversal of 13205422 is 22450231.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 13205422.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3301354 + ... + 3301357.

It is an arithmetic number, because the mean of its divisors is an integer number (4952034).

Almost surely, 2^13205422 is an apocalyptic number.

13205422 is a deficient number, since it is larger than the sum of its proper divisors (6602714).

13205422 is an equidigital number, since it uses as much as digits as its factorization.

13205422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6602713.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 13205422 is about 3633.9265265000. The cubic root of 13205422 is about 236.3655042079.

Adding to 13205422 its reverse (22450231), we get a palindrome (35655653).

The spelling of 13205422 in words is "thirteen million, two hundred five thousand, four hundred twenty-two".