13444142 has 8 divisors (see below), whose sum is σ = 20816832. Its totient is φ = 6505200.

The previous prime is 13444129. The next prime is 13444147. The reversal of 13444142 is 24144431.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13444147) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 108359 + ... + 108482.

It is an arithmetic number, because the mean of its divisors is an integer number (2602104).

Almost surely, 2^13444142 is an apocalyptic number.

13444142 is a deficient number, since it is larger than the sum of its proper divisors (7372690).

13444142 is a wasteful number, since it uses less digits than its factorization.

13444142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216874.

The product of its digits is 1536, while the sum is 23.

The square root of 13444142 is about 3666.6254240105. The cubic root of 13444142 is about 237.7812999320.

Adding to 13444142 its reverse (24144431), we get a palindrome (37588573).

The spelling of 13444142 in words is "thirteen million, four hundred forty-four thousand, one hundred forty-two".