14019021 has 24 divisors (see below), whose sum is σ = 21270080. Its totient is φ = 9124920.

The previous prime is 14019011. The next prime is 14019043. The reversal of 14019021 is 12091041.

It is not a de Polignac number, because 14019021 - 2⁹ = 14018509 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 14018985 and 14019003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14019011) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 136056 + ... + 136158.

Almost surely, 2^14019021 is an apocalyptic number.

It is an amenable number.

14019021 is a deficient number, since it is larger than the sum of its proper divisors (7251059).

14019021 is an equidigital number, since it uses as much as digits as its factorization.

14019021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254 (or 177 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

The square root of 14019021 is about 3744.1983120556. The cubic root of 14019021 is about 241.1233277749.

The spelling of 14019021 in words is "fourteen million, nineteen thousand, twenty-one".