14993021 has 4 divisors (see below), whose sum is σ = 15247200. Its totient is φ = 14738844.

The previous prime is 14992981. The next prime is 14993039. The reversal of 14993021 is 12039941.

It is a happy number.

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.

It is a cyclic number.

It is not a de Polignac number, because 14993021 - 2¹⁰ = 14991997 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 (14993221) 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, 127001 + ... + 127118.

It is an arithmetic number, because the mean of its divisors is an integer number (3811800).

Almost surely, 2^14993021 is an apocalyptic number.

It is an amenable number.

14993021 is a deficient number, since it is larger than the sum of its proper divisors (254179).

14993021 is an equidigital number, since it uses as much as digits as its factorization.

14993021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254178.

The product of its (nonzero) digits is 1944, while the sum is 29.

The square root of 14993021 is about 3872.0822563577. The cubic root of 14993021 is about 246.5829532906.

The spelling of 14993021 in words is "fourteen million, nine hundred ninety-three thousand, twenty-one".