14647993 has 8 divisors (see below), whose sum is σ = 15778400. Its totient is φ = 13553568.

The previous prime is 14647951. The next prime is 14648017. The reversal of 14647993 is 39974641.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14647993 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14647933) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8148 + ... + 9781.

It is an arithmetic number, because the mean of its divisors is an integer number (1972300).

Almost surely, 2^14647993 is an apocalyptic number.

It is an amenable number.

14647993 is a deficient number, since it is larger than the sum of its proper divisors (1130407).

14647993 is a wasteful number, since it uses less digits than its factorization.

14647993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17991.

The product of its digits is 163296, while the sum is 43.

The square root of 14647993 is about 3827.2696534214. The cubic root of 14647993 is about 244.6767526557.

The spelling of 14647993 in words is "fourteen million, six hundred forty-seven thousand, nine hundred ninety-three".