14005247 has 4 divisors (see below), whose sum is σ = 14202576. Its totient is φ = 13807920.

The previous prime is 14005241. The next prime is 14005249. The reversal of 14005247 is 74250041.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 14005247 - 2¹⁰ = 14004223 is a prime.

It is a super-2 number, since 2×14005247² = 392293887062018, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14005241) 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, 98558 + ... + 98699.

It is an arithmetic number, because the mean of its divisors is an integer number (3550644).

Almost surely, 2^14005247 is an apocalyptic number.

14005247 is a deficient number, since it is larger than the sum of its proper divisors (197329).

14005247 is an equidigital number, since it uses as much as digits as its factorization.

14005247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197328.

The product of its (nonzero) digits is 1120, while the sum is 23.

The square root of 14005247 is about 3742.3584809582. The cubic root of 14005247 is about 241.0443322198.

Adding to 14005247 its reverse (74250041), we get a palindrome (88255288).

The spelling of 14005247 in words is "fourteen million, five thousand, two hundred forty-seven".