13324621 has 4 divisors (see below), whose sum is σ = 13442652. Its totient is φ = 13206592.

The previous prime is 13324609. The next prime is 13324639. The reversal of 13324621 is 12642331.

13324621 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.

It can be written as a sum of positive squares in 2 ways, for example, as 2368521 + 10956100 = 1539^2 + 3310^2 .

It is a cyclic number.

It is not a de Polignac number, because 13324621 - 2⁵ = 13324589 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13324592 and 13324601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13327621) 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, 58846 + ... + 59071.

It is an arithmetic number, because the mean of its divisors is an integer number (3360663).

Almost surely, 2^13324621 is an apocalyptic number.

It is an amenable number.

13324621 is a deficient number, since it is larger than the sum of its proper divisors (118031).

13324621 is a wasteful number, since it uses less digits than its factorization.

13324621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118030.

The product of its digits is 864, while the sum is 22.

The square root of 13324621 is about 3650.2905363820. The cubic root of 13324621 is about 237.0745609790.

Adding to 13324621 its reverse (12642331), we get a palindrome (25966952).

The spelling of 13324621 in words is "thirteen million, three hundred twenty-four thousand, six hundred twenty-one".