14497857 has 18 divisors (see below), whose sum is σ = 23019906. Its totient is φ = 8785920.

The previous prime is 14497853. The next prime is 14497877. The reversal of 14497857 is 75879441.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 11553201 + 2944656 = 3399^2 + 1716^2 .

It is not a de Polignac number, because 14497857 - 2² = 14497853 is a prime.

It is not an unprimeable number, because it can be changed into a prime (14497853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 5568 + ... + 7745.

Almost surely, 2^14497857 is an apocalyptic number.

It is an amenable number.

14497857 is a deficient number, since it is larger than the sum of its proper divisors (8522049).

14497857 is a wasteful number, since it uses less digits than its factorization.

14497857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13341 (or 13327 counting only the distinct ones).

The product of its digits is 282240, while the sum is 45.

The square root of 14497857 is about 3807.6051528487. The cubic root of 14497857 is about 243.8379343483.

The spelling of 14497857 in words is "fourteen million, four hundred ninety-seven thousand, eight hundred fifty-seven".