14186021 has 2 divisors, whose sum is σ = 14186022. Its totient is φ = 14186020.

The previous prime is 14185993. The next prime is 14186063. The reversal of 14186021 is 12068141.

14186021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8473921 + 5712100 = 2911^2 + 2390^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14186021 is a prime.

It is a Chen prime.

It is equal to p₉₂₁₃₈₀ and since 14186021 and 921380 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14183021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7093010 + 7093011.

It is an arithmetic number, because the mean of its divisors is an integer number (7093011).

Almost surely, 2^14186021 is an apocalyptic number.

It is an amenable number.

14186021 is a deficient number, since it is larger than the sum of its proper divisors (1).

14186021 is an equidigital number, since it uses as much as digits as its factorization.

14186021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 384, while the sum is 23.

The square root of 14186021 is about 3766.4334588573. The cubic root of 14186021 is about 242.0770023383.

The spelling of 14186021 in words is "fourteen million, one hundred eighty-six thousand, twenty-one".