13520322 has 48 divisors (see below), whose sum is σ = 30888000. Its totient is φ = 4267872.

The previous prime is 13520303. The next prime is 13520333. The reversal of 13520322 is 22302531.

13520322 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 13520295 and 13520304.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30579 + ... + 31017.

It is an arithmetic number, because the mean of its divisors is an integer number (643500).

Almost surely, 2^13520322 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13520322, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15444000).

13520322 is an abundant number, since it is smaller than the sum of its proper divisors (17367678).

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

13520322 is a wasteful number, since it uses less digits than its factorization.

13520322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 535 (or 532 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 13520322 is about 3676.9990481369. Note that the first 3 decimals coincide. The cubic root of 13520322 is about 238.2295762796.

Adding to 13520322 its reverse (22302531), we get a palindrome (35822853).

The spelling of 13520322 in words is "thirteen million, five hundred twenty thousand, three hundred twenty-two".