14128247 has 8 divisors (see below), whose sum is σ = 16490496. Its totient is φ = 11851992.

The previous prime is 14128237. The next prime is 14128319. The reversal of 14128247 is 74282141.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 14128247 - 2⁸ = 14127991 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 (14128217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21143 + ... + 21800.

It is an arithmetic number, because the mean of its divisors is an integer number (2061312).

Almost surely, 2^14128247 is an apocalyptic number.

14128247 is a deficient number, since it is larger than the sum of its proper divisors (2362249).

14128247 is an equidigital number, since it uses as much as digits as its factorization.

14128247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42997.

The product of its digits is 3584, while the sum is 29.

The square root of 14128247 is about 3758.7560442253. The cubic root of 14128247 is about 241.7479275414.

The spelling of 14128247 in words is "fourteen million, one hundred twenty-eight thousand, two hundred forty-seven".