14003857 has 12 divisors (see below), whose sum is σ = 16374960. Its totient is φ = 11940936.

The previous prime is 14003813. The next prime is 14003867. The reversal of 14003857 is 75830041.

It is a de Polignac number, because none of the positive numbers 2^k-14003857 is a prime.

It is a super-2 number, since 2×14003857² = 392216021752898, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (14003807) 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 11 ways as a sum of consecutive naturals, for example, 10494 + ... + 11752.

It is an arithmetic number, because the mean of its divisors is an integer number (1364580).

Almost surely, 2^14003857 is an apocalyptic number.

It is an amenable number.

14003857 is a deficient number, since it is larger than the sum of its proper divisors (2371103).

14003857 is a wasteful number, since it uses less digits than its factorization.

14003857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1500 (or 1493 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 14003857 is about 3742.1727645848. The cubic root of 14003857 is about 241.0363575251.

Adding to 14003857 its reverse (75830041), we get a palindrome (89833898).

The spelling of 14003857 in words is "fourteen million, three thousand, eight hundred fifty-seven".