13521341 has 8 divisors (see below), whose sum is σ = 14450040. Its totient is φ = 12607488.

The previous prime is 13521329. The next prime is 13521359. The reversal of 13521341 is 14312531.

It can be written as a sum of positive squares in 4 ways, for example, as 3818116 + 9703225 = 1954^2 + 3115^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13521341 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13521941) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1796 + ... + 5501.

It is an arithmetic number, because the mean of its divisors is an integer number (1806255).

Almost surely, 2^13521341 is an apocalyptic number.

It is an amenable number.

13521341 is a deficient number, since it is larger than the sum of its proper divisors (928699).

13521341 is a wasteful number, since it uses less digits than its factorization.

13521341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7423.

The product of its digits is 360, while the sum is 20.

The square root of 13521341 is about 3677.1376096089. The cubic root of 13521341 is about 238.2355610936.

Adding to 13521341 its reverse (14312531), we get a palindrome (27833872).

The spelling of 13521341 in words is "thirteen million, five hundred twenty-one thousand, three hundred forty-one".