13241320 has 32 divisors (see below), whose sum is σ = 30076200. Its totient is φ = 5246208.

The previous prime is 13241273. The next prime is 13241329. The reversal of 13241320 is 2314231.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 12859396 + 381924 = 3586^2 + 618^2 .

It is a junction number, because it is equal to n+sod(n) for n = 13241294 and 13241303.

It is not an unprimeable number, because it can be changed into a prime (13241329) 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 7 ways as a sum of consecutive naturals, for example, 2842 + ... + 5878.

Almost surely, 2^13241320 is an apocalyptic number.

13241320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13241320 is an abundant number, since it is smaller than the sum of its proper divisors (16834880).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13241320 is a wasteful number, since it uses less digits than its factorization.

13241320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3157 (or 3153 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 13241320 is about 3638.8624596156. The cubic root of 13241320 is about 236.5794913564.

Adding to 13241320 its reverse (2314231), we get a palindrome (15555551).

The spelling of 13241320 in words is "thirteen million, two hundred forty-one thousand, three hundred twenty".