13324665 has 16 divisors (see below), whose sum is σ = 21485376. Its totient is φ = 7051200.

The previous prime is 13324639. The next prime is 13324687. The reversal of 13324665 is 56642331.

It is not a de Polignac number, because 13324665 - 2⁷ = 13324537 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1426 + ... + 5355.

It is an arithmetic number, because the mean of its divisors is an integer number (1342836).

Almost surely, 2^13324665 is an apocalyptic number.

13324665 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13324665 is a deficient number, since it is larger than the sum of its proper divisors (8160711).

13324665 is a wasteful number, since it uses less digits than its factorization.

13324665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6920.

The product of its digits is 12960, while the sum is 30.

The square root of 13324665 is about 3650.2965632945. The cubic root of 13324665 is about 237.0748219313.

Adding to 13324665 its reverse (56642331), we get a palindrome (69966996).

The spelling of 13324665 in words is "thirteen million, three hundred twenty-four thousand, six hundred sixty-five".