13520853 has 12 divisors (see below), whose sum is σ = 19861920. Its totient is φ = 8860776.

The previous prime is 13520851. The next prime is 13520863. The reversal of 13520853 is 35802531.

13520853 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13520853 - 2¹ = 13520851 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13520851) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12201 + ... + 13262.

It is an arithmetic number, because the mean of its divisors is an integer number (1655160).

Almost surely, 2^13520853 is an apocalyptic number.

It is an amenable number.

13520853 is a deficient number, since it is larger than the sum of its proper divisors (6341067).

13520853 is a wasteful number, since it uses less digits than its factorization.

13520853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25528 (or 25525 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 13520853 is about 3677.0712530491. The cubic root of 13520853 is about 238.2326949984.

The spelling of 13520853 in words is "thirteen million, five hundred twenty thousand, eight hundred fifty-three".