13213330 has 16 divisors (see below), whose sum is σ = 25613784. Its totient is φ = 4878720.

The previous prime is 13213327. The next prime is 13213331. The reversal of 13213330 is 3331231.

13213330 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 4338889 + 8874441 = 2083^2 + 2979^2 .

It is not an unprimeable number, because it can be changed into a prime (13213331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50691 + ... + 50950.

Almost surely, 2^13213330 is an apocalyptic number.

13213330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13213330 is a deficient number, since it is larger than the sum of its proper divisors (12400454).

13213330 is a wasteful number, since it uses less digits than its factorization.

13213330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101661.

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

The square root of 13213330 is about 3635.0144428874. The cubic root of 13213330 is about 236.4126768873.

Adding to 13213330 its reverse (3331231), we get a palindrome (16544561).

The spelling of 13213330 in words is "thirteen million, two hundred thirteen thousand, three hundred thirty".