13211330 has 16 divisors (see below), whose sum is σ = 25942464. Its totient is φ = 4804080.

The previous prime is 13211323. The next prime is 13211347. The reversal of 13211330 is 3311231.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 59942 + ... + 60161.

It is an arithmetic number, because the mean of its divisors is an integer number (1621404).

Almost surely, 2^13211330 is an apocalyptic number.

13211330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13211330 is a deficient number, since it is larger than the sum of its proper divisors (12731134).

13211330 is a wasteful number, since it uses less digits than its factorization.

13211330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120121.

The product of its (nonzero) digits is 54, while the sum is 14.

The square root of 13211330 is about 3634.7393304060. The cubic root of 13211330 is about 236.4007482968.

Adding to 13211330 its reverse (3311231), we get a palindrome (16522561).

Subtracting from 13211330 its reverse (3311231), we obtain a palindrome (9900099).

The spelling of 13211330 in words is "thirteen million, two hundred eleven thousand, three hundred thirty".