13520041 has 4 divisors (see below), whose sum is σ = 13571712. Its totient is φ = 13468372.

The previous prime is 13520011. The next prime is 13520047. The reversal of 13520041 is 14002531.

13520041 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 14002531 = 67 ⋅208993.

It is a cyclic number.

It is not a de Polignac number, because 13520041 - 2⁹ = 13519529 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13519997 and 13520024.

It is not an unprimeable number, because it can be changed into a prime (13520047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25441 + ... + 25966.

It is an arithmetic number, because the mean of its divisors is an integer number (3392928).

Almost surely, 2^13520041 is an apocalyptic number.

It is an amenable number.

13520041 is a deficient number, since it is larger than the sum of its proper divisors (51671).

13520041 is an equidigital number, since it uses as much as digits as its factorization.

13520041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51670.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 13520041 is about 3676.9608374308. The cubic root of 13520041 is about 238.2279258511.

Adding to 13520041 its reverse (14002531), we get a palindrome (27522572).

The spelling of 13520041 in words is "thirteen million, five hundred twenty thousand, forty-one".