13115224 has 16 divisors (see below), whose sum is σ = 24690600. Its totient is φ = 6531072.

The previous prime is 13115197. The next prime is 13115227. The reversal of 13115224 is 42251131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13115227) 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 3 ways as a sum of consecutive naturals, for example, 1134 + ... + 5245.

Almost surely, 2^13115224 is an apocalyptic number.

It is an amenable number.

13115224 is a deficient number, since it is larger than the sum of its proper divisors (11575376).

13115224 is a wasteful number, since it uses less digits than its factorization.

13115224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6642 (or 6638 counting only the distinct ones).

The product of its digits is 240, while the sum is 19.

The square root of 13115224 is about 3621.4947190352. The cubic root of 13115224 is about 235.8261191659.

Adding to 13115224 its reverse (42251131), we get a palindrome (55366355).

It can be divided in two parts, 1 and 3115224, that added together give a square (3115225 = 1765²).

The spelling of 13115224 in words is "thirteen million, one hundred fifteen thousand, two hundred twenty-four".