13516441 has 4 divisors (see below), whose sum is σ = 13738084. Its totient is φ = 13294800.

The previous prime is 13516439. The next prime is 13516457. The reversal of 13516441 is 14461531.

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 585225 + 12931216 = 765^2 + 3596^2 .

It is a cyclic number.

It is not a de Polignac number, because 13516441 - 2¹ = 13516439 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13516471) 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, 110730 + ... + 110851.

It is an arithmetic number, because the mean of its divisors is an integer number (3434521).

Almost surely, 2^13516441 is an apocalyptic number.

It is an amenable number.

13516441 is a deficient number, since it is larger than the sum of its proper divisors (221643).

13516441 is an equidigital number, since it uses as much as digits as its factorization.

13516441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221642.

The product of its digits is 1440, while the sum is 25.

The square root of 13516441 is about 3676.4712701176. The cubic root of 13516441 is about 238.2067795477.

Adding to 13516441 its reverse (14461531), we get a palindrome (27977972).

The spelling of 13516441 in words is "thirteen million, five hundred sixteen thousand, four hundred forty-one".