14393021 has 4 divisors (see below), whose sum is σ = 14857344. Its totient is φ = 13928700.

The previous prime is 14392981. The next prime is 14393059. The reversal of 14393021 is 12039341.

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 14393021 - 2¹⁸ = 14130877 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 (14393221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 232115 + ... + 232176.

It is an arithmetic number, because the mean of its divisors is an integer number (3714336).

Almost surely, 2^14393021 is an apocalyptic number.

It is an amenable number.

14393021 is a deficient number, since it is larger than the sum of its proper divisors (464323).

14393021 is an equidigital number, since it uses as much as digits as its factorization.

14393021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 464322.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 14393021 is about 3793.8135167665. The cubic root of 14393021 is about 243.2487700572.

The spelling of 14393021 in words is "fourteen million, three hundred ninety-three thousand, twenty-one".