13311242 has 12 divisors (see below), whose sum is σ = 23226930. Its totient is φ = 5704776.

The previous prime is 13311239. The next prime is 13311269. The reversal of 13311242 is 24211331.

It can be written as a sum of positive squares in only one way, i.e., 12103441 + 1207801 = 3479^2 + 1099^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 13311242.

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 5 ways as a sum of consecutive naturals, for example, 67817 + ... + 68012.

Almost surely, 2^13311242 is an apocalyptic number.

13311242 is a deficient number, since it is larger than the sum of its proper divisors (9915688).

13311242 is a wasteful number, since it uses less digits than its factorization.

13311242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135845 (or 135838 counting only the distinct ones).

The product of its digits is 144, while the sum is 17.

The square root of 13311242 is about 3648.4574822793. The cubic root of 13311242 is about 236.9951870458.

Adding to 13311242 its reverse (24211331), we get a palindrome (37522573).

The spelling of 13311242 in words is "thirteen million, three hundred eleven thousand, two hundred forty-two".