14001800 has 24 divisors (see below), whose sum is σ = 32554650. Its totient is φ = 5600640.

The previous prime is 14001769. The next prime is 14001907. The reversal of 14001800 is 810041.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 7761796 + 6240004 = 2786^2 + 2498^2 .

14001800 is a modest number, since divided by 1800 gives 1400 as remainder.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 34805 + ... + 35204.

Almost surely, 2^14001800 is an apocalyptic number.

14001800 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14001800 is an abundant number, since it is smaller than the sum of its proper divisors (18552850).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

14001800 is a wasteful number, since it uses less digits than its factorization.

14001800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70025 (or 70016 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 14001800 is about 3741.8979141607. The cubic root of 14001800 is about 241.0245551560.

Adding to 14001800 its reverse (810041), we get a palindrome (14811841).

The spelling of 14001800 in words is "fourteen million, one thousand, eight hundred".