14164021 has 4 divisors (see below), whose sum is σ = 14779872. Its totient is φ = 13548172.

The previous prime is 14164013. The next prime is 14164049. The reversal of 14164021 is 12046141.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 12046141 = 757 ⋅15913.

It is a cyclic number.

It is not a de Polignac number, because 14164021 - 2³ = 14164013 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 14164021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14164121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 307891 + ... + 307936.

It is an arithmetic number, because the mean of its divisors is an integer number (3694968).

Almost surely, 2^14164021 is an apocalyptic number.

It is an amenable number.

14164021 is a deficient number, since it is larger than the sum of its proper divisors (615851).

14164021 is an equidigital number, since it uses as much as digits as its factorization.

14164021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 615850.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 14164021 is about 3763.5117908677. The cubic root of 14164021 is about 241.9517981087.

The spelling of 14164021 in words is "fourteen million, one hundred sixty-four thousand, twenty-one".