13520022 has 16 divisors (see below), whose sum is σ = 27771312. Its totient is φ = 4384800.

The previous prime is 13520011. The next prime is 13520047. The reversal of 13520022 is 22002531.

13520022 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 13519983 and 13520010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30229 + ... + 30672.

It is an arithmetic number, because the mean of its divisors is an integer number (1735707).

Almost surely, 2^13520022 is an apocalyptic number.

13520022 is an abundant number, since it is smaller than the sum of its proper divisors (14251290).

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

13520022 is a wasteful number, since it uses less digits than its factorization.

13520022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60943.

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 13520022 is about 3676.9582537744. The cubic root of 13520022 is about 238.2278142554.

Adding to 13520022 its reverse (22002531), we get a palindrome (35522553).

The spelling of 13520022 in words is "thirteen million, five hundred twenty thousand, twenty-two".