14013993 has 8 divisors (see below), whose sum is σ = 21354688. Its totient is φ = 8007984.

The previous prime is 14013991. The next prime is 14014019. The reversal of 14013993 is 39931041.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 14013993 - 2¹ = 14013991 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 14013993.

It is not an unprimeable number, because it can be changed into a prime (14013991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 333646 + ... + 333687.

It is an arithmetic number, because the mean of its divisors is an integer number (2669336).

Almost surely, 2^14013993 is an apocalyptic number.

It is an amenable number.

14013993 is a deficient number, since it is larger than the sum of its proper divisors (7340695).

14013993 is an equidigital number, since it uses as much as digits as its factorization.

14013993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 667343.

The product of its (nonzero) digits is 2916, while the sum is 30.

The square root of 14013993 is about 3743.5268130468. The cubic root of 14013993 is about 241.0944975862.

The spelling of 14013993 in words is "fourteen million, thirteen thousand, nine hundred ninety-three".