13240330 has 8 divisors (see below), whose sum is σ = 23832612. Its totient is φ = 5296128.

The previous prime is 13240319. The next prime is 13240333. The reversal of 13240330 is 3304231.

It can be written as a sum of positive squares in 2 ways, for example, as 13184161 + 56169 = 3631^2 + 237^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (13240333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 662007 + ... + 662026.

Almost surely, 2^13240330 is an apocalyptic number.

13240330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13240330 is a deficient number, since it is larger than the sum of its proper divisors (10592282).

13240330 is a wasteful number, since it uses less digits than its factorization.

13240330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1324040.

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 13240330 is about 3638.7264255506. The cubic root of 13240330 is about 236.5735951785.

Adding to 13240330 its reverse (3304231), we get a palindrome (16544561).

The spelling of 13240330 in words is "thirteen million, two hundred forty thousand, three hundred thirty".