13324409 has 4 divisors (see below), whose sum is σ = 15227904. Its totient is φ = 11420916.

The previous prime is 13324397. The next prime is 13324469. The reversal of 13324409 is 90442331.

13324409 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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.

It is a cyclic number.

It is not a de Polignac number, because 13324409 - 2¹² = 13320313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13324469) 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, 951737 + ... + 951750.

It is an arithmetic number, because the mean of its divisors is an integer number (3806976).

Almost surely, 2^13324409 is an apocalyptic number.

It is an amenable number.

13324409 is a deficient number, since it is larger than the sum of its proper divisors (1903495).

13324409 is an equidigital number, since it uses as much as digits as its factorization.

13324409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1903494.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 13324409 is about 3650.2614974821. The cubic root of 13324409 is about 237.0733036556.

It can be divided in two parts, 133 and 24409, that added together give a palindrome (24542).

The spelling of 13324409 in words is "thirteen million, three hundred twenty-four thousand, four hundred nine".