14020644 has 24 divisors (see below), whose sum is σ = 35689248. Its totient is φ = 4248640.

The previous prime is 14020637. The next prime is 14020661. The reversal of 14020644 is 44602041.

It is a self number, because there is not a number n which added to its sum of digits gives 14020644.

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 7 ways as a sum of consecutive naturals, for example, 52977 + ... + 53240.

It is an arithmetic number, because the mean of its divisors is an integer number (1487052).

Almost surely, 2^14020644 is an apocalyptic number.

It is an amenable number.

14020644 is an abundant number, since it is smaller than the sum of its proper divisors (21668604).

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

14020644 is a wasteful number, since it uses less digits than its factorization.

14020644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106235 (or 106233 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 14020644 is about 3744.4150410979. The cubic root of 14020644 is about 241.1326324679.

Adding to 14020644 its reverse (44602041), we get a palindrome (58622685).

The spelling of 14020644 in words is "fourteen million, twenty thousand, six hundred forty-four".