13144242 has 16 divisors (see below), whose sum is σ = 26544960. Its totient is φ = 4338672.

The previous prime is 13144211. The next prime is 13144249. The reversal of 13144242 is 24244131.

It is not an unprimeable number, because it can be changed into a prime (13144249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10017 + ... + 11252.

It is an arithmetic number, because the mean of its divisors is an integer number (1659060).

Almost surely, 2^13144242 is an apocalyptic number.

13144242 is an abundant number, since it is smaller than the sum of its proper divisors (13400718).

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

13144242 is a wasteful number, since it uses less digits than its factorization.

13144242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21377.

The product of its digits is 768, while the sum is 21.

The square root of 13144242 is about 3625.4988622257. The cubic root of 13144242 is about 235.9999162118. Note that the first 4 decimals are identical.

Adding to 13144242 its reverse (24244131), we get a palindrome (37388373).

The spelling of 13144242 in words is "thirteen million, one hundred forty-four thousand, two hundred forty-two".