14256857 has 4 divisors (see below), whose sum is σ = 14398116. Its totient is φ = 14115600.

The previous prime is 14256833. The next prime is 14256881. The reversal of 14256857 is 75865241.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 75865241 = 101 ⋅751141.

It is an interprime number because it is at equal distance from previous prime (14256833) and next prime (14256881).

It can be written as a sum of positive squares in 2 ways, for example, as 11397376 + 2859481 = 3376^2 + 1691^2 .

It is a cyclic number.

It is not a de Polignac number, because 14256857 - 2⁸ = 14256601 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 14256857.

It is not an unprimeable number, because it can be changed into a prime (14256817) 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, 70478 + ... + 70679.

It is an arithmetic number, because the mean of its divisors is an integer number (3599529).

Almost surely, 2^14256857 is an apocalyptic number.

It is an amenable number.

14256857 is a deficient number, since it is larger than the sum of its proper divisors (141259).

14256857 is a wasteful number, since it uses less digits than its factorization.

14256857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141258.

The product of its digits is 67200, while the sum is 38.

The square root of 14256857 is about 3775.8253402402. The cubic root of 14256857 is about 242.4792599260.

The spelling of 14256857 in words is "fourteen million, two hundred fifty-six thousand, eight hundred fifty-seven".