13005240242 has 8 divisors (see below), whose sum is σ = 19580381100. Its totient is φ = 6478446544.

The previous prime is 13005240239. The next prime is 13005240253. The reversal of 13005240242 is 24204250031.

It is a happy number.

13005240242 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 2 ways, for example, as 9821008201 + 3184232041 = 99101^2 + 56429^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12086117 + ... + 12087192.

Almost surely, 2^13005240242 is an apocalyptic number.

13005240242 is a deficient number, since it is larger than the sum of its proper divisors (6575140858).

13005240242 is a wasteful number, since it uses less digits than its factorization.

13005240242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24173580.

The product of its (nonzero) digits is 1920, while the sum is 23.

Adding to 13005240242 its reverse (24204250031), we get a palindrome (37209490273).

The spelling of 13005240242 in words is "thirteen billion, five million, two hundred forty thousand, two hundred forty-two".