13203242 has 16 divisors (see below), whose sum is σ = 22256640. Its totient is φ = 5828592.

The previous prime is 13203217. The next prime is 13203251. The reversal of 13203242 is 24230231.

It is a self number, because there is not a number n which added to its sum of digits gives 13203242.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10442 + ... + 11637.

It is an arithmetic number, because the mean of its divisors is an integer number (1391040).

Almost surely, 2^13203242 is an apocalyptic number.

13203242 is a deficient number, since it is larger than the sum of its proper divisors (9053398).

13203242 is a wasteful number, since it uses less digits than its factorization.

13203242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22117.

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

The square root of 13203242 is about 3633.6265630909. The cubic root of 13203242 is about 236.3524967944.

Adding to 13203242 its reverse (24230231), we get a palindrome (37433473).

The spelling of 13203242 in words is "thirteen million, two hundred three thousand, two hundred forty-two".