14097857 has 4 divisors (see below), whose sum is σ = 14584020. Its totient is φ = 13611696.

The previous prime is 14097817. The next prime is 14097877. The reversal of 14097857 is 75879041.

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

It can be written as a sum of positive squares in 2 ways, for example, as 11895601 + 2202256 = 3449^2 + 1484^2 .

It is a cyclic number.

It is not a de Polignac number, because 14097857 - 2¹⁰ = 14096833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14097817) 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, 243038 + ... + 243095.

It is an arithmetic number, because the mean of its divisors is an integer number (3646005).

Almost surely, 2^14097857 is an apocalyptic number.

It is an amenable number.

14097857 is a deficient number, since it is larger than the sum of its proper divisors (486163).

14097857 is an equidigital number, since it uses as much as digits as its factorization.

14097857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 486162.

The product of its (nonzero) digits is 70560, while the sum is 41.

The square root of 14097857 is about 3754.7113071447. The cubic root of 14097857 is about 241.5744690450.

The spelling of 14097857 in words is "fourteen million, ninety-seven thousand, eight hundred fifty-seven".