13520422 has 8 divisors (see below), whose sum is σ = 20386296. Its totient is φ = 6724992.

The previous prime is 13520417. The next prime is 13520431. The reversal of 13520422 is 22402531.

13520422 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×13520422² = 365603622116168, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13520422.

It is a congruent number.

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, 17128 + ... + 17899.

It is an arithmetic number, because the mean of its divisors is an integer number (2548287).

Almost surely, 2^13520422 is an apocalyptic number.

13520422 is a deficient number, since it is larger than the sum of its proper divisors (6865874).

13520422 is a wasteful number, since it uses less digits than its factorization.

13520422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35222.

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

The square root of 13520422 is about 3677.0126461572. The cubic root of 13520422 is about 238.2301636152.

Adding to 13520422 its reverse (22402531), we get a palindrome (35922953).

The spelling of 13520422 in words is "thirteen million, five hundred twenty thousand, four hundred twenty-two".