14279257 has 4 divisors (see below), whose sum is σ = 14412816. Its totient is φ = 14145700.

The previous prime is 14279227. The next prime is 14279263. The reversal of 14279257 is 75297241.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 14279257 - 2⁷ = 14279129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14279227) 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 3 ways as a sum of consecutive naturals, for example, 66619 + ... + 66832.

It is an arithmetic number, because the mean of its divisors is an integer number (3603204).

Almost surely, 2^14279257 is an apocalyptic number.

It is an amenable number.

14279257 is a deficient number, since it is larger than the sum of its proper divisors (133559).

14279257 is a wasteful number, since it uses less digits than its factorization.

14279257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133558.

The product of its digits is 35280, while the sum is 37.

The square root of 14279257 is about 3778.7904149344. The cubic root of 14279257 is about 242.6061858273.

The spelling of 14279257 in words is "fourteen million, two hundred seventy-nine thousand, two hundred fifty-seven".