14020643 has 8 divisors (see below), whose sum is σ = 17256288. Its totient is φ = 11093184.

The previous prime is 14020637. The next prime is 14020661. The reversal of 14020643 is 34602041.

It is a happy number.

14020643 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 14020643 - 2⁶ = 14020579 is a prime.

It is not an unprimeable number, because it can be changed into a prime (14020603) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76946 + ... + 77127.

It is an arithmetic number, because the mean of its divisors is an integer number (2157036).

Almost surely, 2^14020643 is an apocalyptic number.

14020643 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

14020643 is a deficient number, since it is larger than the sum of its proper divisors (3235645).

14020643 is a wasteful number, since it uses less digits than its factorization.

14020643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154093.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 14020643 is about 3744.4149075657. The cubic root of 14020643 is about 241.1326267351.

Adding to 14020643 its reverse (34602041), we get a palindrome (48622684).

The spelling of 14020643 in words is "fourteen million, twenty thousand, six hundred forty-three".