14247839 has 4 divisors (see below), whose sum is σ = 14321856. Its totient is φ = 14173824.

The previous prime is 14247829. The next prime is 14247847. The reversal of 14247839 is 93874241.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 93874241 = 7603 ⋅12347.

It is a cyclic number.

It is not a de Polignac number, because 14247839 - 2¹² = 14243743 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14247809) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36719 + ... + 37104.

It is an arithmetic number, because the mean of its divisors is an integer number (3580464).

Almost surely, 2^14247839 is an apocalyptic number.

14247839 is a deficient number, since it is larger than the sum of its proper divisors (74017).

14247839 is an equidigital number, since it uses as much as digits as its factorization.

14247839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74016.

The product of its digits is 48384, while the sum is 38.

The square root of 14247839 is about 3774.6309753405. The cubic root of 14247839 is about 242.4281233822.

The spelling of 14247839 in words is "fourteen million, two hundred forty-seven thousand, eight hundred thirty-nine".