14689021 has 4 divisors (see below), whose sum is σ = 14698944. Its totient is φ = 14679100.

The previous prime is 14689007. The next prime is 14689039. The reversal of 14689021 is 12098641.

It is a happy number.

14689021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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.

It is a cyclic number.

It is not a de Polignac number, because 14689021 - 2⁷ = 14688893 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14689121) 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, 2245 + ... + 5866.

It is an arithmetic number, because the mean of its divisors is an integer number (3674736).

Almost surely, 2^14689021 is an apocalyptic number.

It is an amenable number.

14689021 is a deficient number, since it is larger than the sum of its proper divisors (9923).

14689021 is an equidigital number, since it uses as much as digits as its factorization.

14689021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9922.

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 14689021 is about 3832.6258622516. The cubic root of 14689021 is about 244.9049805068.

The spelling of 14689021 in words is "fourteen million, six hundred eighty-nine thousand, twenty-one".