13324249 has 4 divisors (see below), whose sum is σ = 13331920. Its totient is φ = 13316580.

The previous prime is 13324247. The next prime is 13324271. The reversal of 13324249 is 94242331.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 13324249 - 2¹ = 13324247 is a prime.

It is a super-2 number, since 2×13324249² = 355071222828002, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13324247) 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, 154 + ... + 5164.

It is an arithmetic number, because the mean of its divisors is an integer number (3332980).

Almost surely, 2^13324249 is an apocalyptic number.

It is an amenable number.

13324249 is a deficient number, since it is larger than the sum of its proper divisors (7671).

13324249 is an equidigital number, since it uses as much as digits as its factorization.

13324249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7670.

The product of its digits is 5184, while the sum is 28.

The square root of 13324249 is about 3650.2395811782. The cubic root of 13324249 is about 237.0723547235.

The spelling of 13324249 in words is "thirteen million, three hundred twenty-four thousand, two hundred forty-nine".