13111242 has 16 divisors (see below), whose sum is σ = 27362880. Its totient is φ = 4180352.

The previous prime is 13111237. The next prime is 13111271. The reversal of 13111242 is 24211131.

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 7 ways as a sum of consecutive naturals, for example, 47367 + ... + 47642.

It is an arithmetic number, because the mean of its divisors is an integer number (1710180).

Almost surely, 2^13111242 is an apocalyptic number.

13111242 is an abundant number, since it is smaller than the sum of its proper divisors (14251638).

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

13111242 is a wasteful number, since it uses less digits than its factorization.

13111242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95037.

The product of its digits is 48, while the sum is 15.

The square root of 13111242 is about 3620.9449043033. The cubic root of 13111242 is about 235.8022498402.

Adding to 13111242 its reverse (24211131), we get a palindrome (37322373).

The spelling of 13111242 in words is "thirteen million, one hundred eleven thousand, two hundred forty-two".