14311257 has 8 divisors (see below), whose sum is σ = 19350720. Its totient is φ = 9406320.

The previous prime is 14311247. The next prime is 14311259. The reversal of 14311257 is 75211341.

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

It is not a de Polignac number, because 14311257 - 2¹⁴ = 14294873 is a prime.

It is not an unprimeable number, because it can be changed into a prime (14311259) 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, 33382 + ... + 33807.

It is an arithmetic number, because the mean of its divisors is an integer number (2418840).

Almost surely, 2^14311257 is an apocalyptic number.

It is an amenable number.

14311257 is a deficient number, since it is larger than the sum of its proper divisors (5039463).

14311257 is an equidigital number, since it uses as much as digits as its factorization.

14311257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67263.

The product of its digits is 840, while the sum is 24.

The square root of 14311257 is about 3783.0222045344. The cubic root of 14311257 is about 242.7872784865.

Adding to 14311257 its reverse (75211341), we get a palindrome (89522598).

The spelling of 14311257 in words is "fourteen million, three hundred eleven thousand, two hundred fifty-seven".