14513993 has 4 divisors (see below), whose sum is σ = 15630468. Its totient is φ = 13397520.

The previous prime is 14513957. The next prime is 14513999. The reversal of 14513993 is 39931541.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4293184 + 10220809 = 2072^2 + 3197^2 .

It is a cyclic number.

It is not a de Polignac number, because 14513993 - 2¹⁰ = 14512969 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 (14513999) 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, 558218 + ... + 558243.

It is an arithmetic number, because the mean of its divisors is an integer number (3907617).

Almost surely, 2^14513993 is an apocalyptic number.

14513993 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

14513993 is a deficient number, since it is larger than the sum of its proper divisors (1116475).

14513993 is a wasteful number, since it uses less digits than its factorization.

14513993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1116474.

The product of its digits is 14580, while the sum is 35.

The square root of 14513993 is about 3809.7234807791. The cubic root of 14513993 is about 243.9283640372.

The spelling of 14513993 in words is "fourteen million, five hundred thirteen thousand, nine hundred ninety-three".