13744242 has 40 divisors (see below), whose sum is σ = 31643436. Its totient is φ = 4455648.

The previous prime is 13744229. The next prime is 13744243. The reversal of 13744242 is 24244731.

13744242 is digitally balanced in base 2 and base 4, because in such bases 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 13549761 + 194481 = 3681^2 + 441^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (13744243) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 4848 + ... + 7140.

Almost surely, 2^13744242 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13744242, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15821718).

13744242 is an abundant number, since it is smaller than the sum of its proper divisors (17899194).

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

13744242 is a wasteful number, since it uses less digits than its factorization.

13744242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2344 (or 2335 counting only the distinct ones).

The product of its digits is 5376, while the sum is 27.

The square root of 13744242 is about 3707.3227536863. The cubic root of 13744242 is about 239.5375469774.

Adding to 13744242 its reverse (24244731), we get a palindrome (37988973).

The spelling of 13744242 in words is "thirteen million, seven hundred forty-four thousand, two hundred forty-two".