14731993 has 2 divisors, whose sum is σ = 14731994. Its totient is φ = 14731992.

The previous prime is 14731991. The next prime is 14732017. The reversal of 14731993 is 39913741.

14731993 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10679824 + 4052169 = 3268^2 + 2013^2 .

It is a cyclic number.

It is not a de Polignac number, because 14731993 - 2¹ = 14731991 is a prime.

Together with 14731991, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (14731991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7365996 + 7365997.

It is an arithmetic number, because the mean of its divisors is an integer number (7365997).

Almost surely, 2^14731993 is an apocalyptic number.

It is an amenable number.

14731993 is a deficient number, since it is larger than the sum of its proper divisors (1).

14731993 is an equidigital number, since it uses as much as digits as its factorization.

14731993 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20412, while the sum is 37.

The square root of 14731993 is about 3838.2278462853. The cubic root of 14731993 is about 245.1435671114.

The spelling of 14731993 in words is "fourteen million, seven hundred thirty-one thousand, nine hundred ninety-three".