13842249 has 16 divisors (see below), whose sum is σ = 18792000. Its totient is φ = 9062336.

The previous prime is 13842239. The next prime is 13842281. The reversal of 13842249 is 94224831.

It is a cyclic number.

It is not a de Polignac number, because 13842249 - 2⁷ = 13842121 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13842229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77242 + ... + 77420.

It is an arithmetic number, because the mean of its divisors is an integer number (1174500).

Almost surely, 2^13842249 is an apocalyptic number.

It is an amenable number.

13842249 is a deficient number, since it is larger than the sum of its proper divisors (4949751).

13842249 is a wasteful number, since it uses less digits than its factorization.

13842249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 504.

The product of its digits is 13824, while the sum is 33.

The square root of 13842249 is about 3720.5173027416. The cubic root of 13842249 is about 240.1055612022.

The spelling of 13842249 in words is "thirteen million, eight hundred forty-two thousand, two hundred forty-nine".