14012021 has 4 divisors (see below), whose sum is σ = 14020512. Its totient is φ = 14003532.

The previous prime is 14012003. The next prime is 14012039. The reversal of 14012021 is 12021041.

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 a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 12021041 = 37 ⋅324893.

It is an interprime number because it is at equal distance from previous prime (14012003) and next prime (14012039).

It is a cyclic number.

It is not a de Polignac number, because 14012021 - 2⁶ = 14011957 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 14011993 and 14012011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14012041) 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, 881 + ... + 5366.

It is an arithmetic number, because the mean of its divisors is an integer number (3505128).

Almost surely, 2^14012021 is an apocalyptic number.

It is an amenable number.

14012021 is a deficient number, since it is larger than the sum of its proper divisors (8491).

14012021 is an equidigital number, since it uses as much as digits as its factorization.

14012021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8490.

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 14012021 is about 3743.2634157911. The cubic root of 14012021 is about 241.0831883980.

Adding to 14012021 its reverse (12021041), we get a palindrome (26033062).

The spelling of 14012021 in words is "fourteen million, twelve thousand, twenty-one".