14257718 has 8 divisors (see below), whose sum is σ = 21409920. Its totient is φ = 7121080.

The previous prime is 14257717. The next prime is 14257721. The reversal of 14257718 is 81775241.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14257717) 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, 1238 + ... + 5481.

It is an arithmetic number, because the mean of its divisors is an integer number (2676240).

Almost surely, 2^14257718 is an apocalyptic number.

14257718 is a deficient number, since it is larger than the sum of its proper divisors (7152202).

14257718 is a wasteful number, since it uses less digits than its factorization.

14257718 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7782.

The product of its digits is 15680, while the sum is 35.

The square root of 14257718 is about 3775.9393533265. The cubic root of 14257718 is about 242.4841410963.

The spelling of 14257718 in words is "fourteen million, two hundred fifty-seven thousand, seven hundred eighteen".