13321330 has 32 divisors (see below), whose sum is σ = 26308800. Its totient is φ = 4816320.

The previous prime is 13321327. The next prime is 13321331. The reversal of 13321330 is 3312331.

It is not an unprimeable number, because it can be changed into a prime (13321331) 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 15 ways as a sum of consecutive naturals, for example, 37996 + ... + 38344.

It is an arithmetic number, because the mean of its divisors is an integer number (822150).

Almost surely, 2^13321330 is an apocalyptic number.

13321330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13321330 is a deficient number, since it is larger than the sum of its proper divisors (12987470).

13321330 is a wasteful number, since it uses less digits than its factorization.

13321330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 714.

The product of its (nonzero) digits is 162, while the sum is 16.

The square root of 13321330 is about 3649.8397225084. The cubic root of 13321330 is about 237.0550413088.

Adding to 13321330 its reverse (3312331), we get a palindrome (16633661).

It can be divided in two parts, 1332 and 1330, that added together give a palindrome (2662).

The spelling of 13321330 in words is "thirteen million, three hundred twenty-one thousand, three hundred thirty".