14571993 has 8 divisors (see below), whose sum is σ = 20452000. Its totient is φ = 9203328.

The previous prime is 14571989. The next prime is 14572013. The reversal of 14571993 is 39917541.

It is a happy number.

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

It is not a de Polignac number, because 14571993 - 2² = 14571989 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (14571913) 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, 127768 + ... + 127881.

It is an arithmetic number, because the mean of its divisors is an integer number (2556500).

Almost surely, 2^14571993 is an apocalyptic number.

It is an amenable number.

14571993 is a deficient number, since it is larger than the sum of its proper divisors (5880007).

14571993 is a wasteful number, since it uses less digits than its factorization.

14571993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255671.

The product of its digits is 34020, while the sum is 39.

The square root of 14571993 is about 3817.3279921956. The cubic root of 14571993 is about 244.2528564365.

The spelling of 14571993 in words is "fourteen million, five hundred seventy-one thousand, nine hundred ninety-three".