13520141 has 4 divisors (see below), whose sum is σ = 13775292. Its totient is φ = 13264992.

The previous prime is 13520099. The next prime is 13520147. The reversal of 13520141 is 14102531.

13520141 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.

It can be written as a sum of positive squares in 2 ways, for example, as 11417641 + 2102500 = 3379^2 + 1450^2 .

It is a cyclic number.

It is not a de Polignac number, because 13520141 - 2¹⁰ = 13519117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13520147) 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, 127496 + ... + 127601.

It is an arithmetic number, because the mean of its divisors is an integer number (3443823).

Almost surely, 2^13520141 is an apocalyptic number.

It is an amenable number.

13520141 is a deficient number, since it is larger than the sum of its proper divisors (255151).

13520141 is an equidigital number, since it uses as much as digits as its factorization.

13520141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255150.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 13520141 is about 3676.9744355924. The cubic root of 13520141 is about 238.2285131948.

Adding to 13520141 its reverse (14102531), we get a palindrome (27622672).

The spelling of 13520141 in words is "thirteen million, five hundred twenty thousand, one hundred forty-one".