14257814 has 4 divisors (see below), whose sum is σ = 21386724. Its totient is φ = 7128906.

The previous prime is 14257813. The next prime is 14257819. The reversal of 14257814 is 41875241.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14257813) 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 as a sum of consecutive naturals, namely, 3564452 + ... + 3564455.

It is an arithmetic number, because the mean of its divisors is an integer number (5346681).

Almost surely, 2^14257814 is an apocalyptic number.

14257814 is a deficient number, since it is larger than the sum of its proper divisors (7128910).

14257814 is an equidigital number, since it uses as much as digits as its factorization.

14257814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7128909.

The product of its digits is 8960, while the sum is 32.

The square root of 14257814 is about 3775.9520653737. The cubic root of 14257814 is about 242.4846853261.

The spelling of 14257814 in words is "fourteen million, two hundred fifty-seven thousand, eight hundred fourteen".