14100821 has 8 divisors (see below), whose sum is σ = 16379904. Its totient is φ = 11887920.

The previous prime is 14100767. The next prime is 14100829. The reversal of 14100821 is 12800141.

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 14100821 - 2¹⁰ = 14099797 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 14100821.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14100829) 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 7 ways as a sum of consecutive naturals, for example, 16085 + ... + 16938.

It is an arithmetic number, because the mean of its divisors is an integer number (2047488).

Almost surely, 2^14100821 is an apocalyptic number.

It is an amenable number.

14100821 is a deficient number, since it is larger than the sum of its proper divisors (2279083).

14100821 is an equidigital number, since it uses as much as digits as its factorization.

14100821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33091.

The product of its (nonzero) digits is 64, while the sum is 17.

The square root of 14100821 is about 3755.1059905148. The cubic root of 14100821 is about 241.5913977775.

Adding to 14100821 its reverse (12800141), we get a palindrome (26900962).

The spelling of 14100821 in words is "fourteen million, one hundred thousand, eight hundred twenty-one".