13743249 has 12 divisors (see below), whose sum is σ = 19843056. Its totient is φ = 8457072.

The previous prime is 13743221. The next prime is 13743263. The reversal of 13743249 is 94234731.

It is not a de Polignac number, because 13743249 - 2⁹ = 13742737 is a prime.

It is a Curzon number.

It is a nialpdrome in base 8.

It is not an unprimeable number, because it can be changed into a prime (13743209) 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 11 ways as a sum of consecutive naturals, for example, 13047 + ... + 14060.

It is an arithmetic number, because the mean of its divisors is an integer number (1653588).

Almost surely, 2^13743249 is an apocalyptic number.

It is an amenable number.

13743249 is a deficient number, since it is larger than the sum of its proper divisors (6099807).

13743249 is a wasteful number, since it uses less digits than its factorization.

13743249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27136 (or 27123 counting only the distinct ones).

The product of its digits is 18144, while the sum is 33.

The square root of 13743249 is about 3707.1888271303. The cubic root of 13743249 is about 239.5317781006.

The spelling of 13743249 in words is "thirteen million, seven hundred forty-three thousand, two hundred forty-nine".