13513227 has 16 divisors (see below), whose sum is σ = 22176000. Its totient is φ = 7127712.

The previous prime is 13513153. The next prime is 13513243. The reversal of 13513227 is 72231531.

It is not a de Polignac number, because 13513227 - 2¹⁰ = 13512203 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13513197 and 13513206.

It is not an unprimeable number, because it can be changed into a prime (13513267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24477 + ... + 25022.

It is an arithmetic number, because the mean of its divisors is an integer number (1386000).

Almost surely, 2^13513227 is an apocalyptic number.

13513227 is a deficient number, since it is larger than the sum of its proper divisors (8662773).

13513227 is a wasteful number, since it uses less digits than its factorization.

13513227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49522.

The product of its digits is 1260, while the sum is 24.

The square root of 13513227 is about 3676.0341402114. The cubic root of 13513227 is about 238.1878974253.

Adding to 13513227 its reverse (72231531), we get a palindrome (85744758).

The spelling of 13513227 in words is "thirteen million, five hundred thirteen thousand, two hundred twenty-seven".