13320242 has 12 divisors (see below), whose sum is σ = 21636090. Its totient is φ = 6147648.

The previous prime is 13320233. The next prime is 13320247. The reversal of 13320242 is 24202331.

It can be written as a sum of positive squares in 3 ways, for example, as 6974881 + 6345361 = 2641^2 + 2519^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 13320242.

It is not an unprimeable number, because it can be changed into a prime (13320247) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 19367 + ... + 20042.

Almost surely, 2^13320242 is an apocalyptic number.

13320242 is a deficient number, since it is larger than the sum of its proper divisors (8315848).

13320242 is a wasteful number, since it uses less digits than its factorization.

13320242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39437 (or 39424 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 13320242 is about 3649.6906718241. The cubic root of 13320242 is about 237.0485874260.

Adding to 13320242 its reverse (24202331), we get a palindrome (37522573).

The spelling of 13320242 in words is "thirteen million, three hundred twenty thousand, two hundred forty-two".