14581993 has 2 divisors, whose sum is σ = 14581994. Its totient is φ = 14581992.

The previous prime is 14581967. The next prime is 14582017. The reversal of 14581993 is 39918541.

14581993 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12873744 + 1708249 = 3588^2 + 1307^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14581993 is a prime.

It is not a weakly prime, because it can be changed into another prime (14585993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7290996 + 7290997.

It is an arithmetic number, because the mean of its divisors is an integer number (7290997).

Almost surely, 2^14581993 is an apocalyptic number.

It is an amenable number.

14581993 is a deficient number, since it is larger than the sum of its proper divisors (1).

14581993 is an equidigital number, since it uses as much as digits as its factorization.

14581993 is an evil number, because the sum of its binary digits is even.

The product of its digits is 38880, while the sum is 40.

The square root of 14581993 is about 3818.6375842701. The cubic root of 14581993 is about 244.3087163327.

The spelling of 14581993 in words is "fourteen million, five hundred eighty-one thousand, nine hundred ninety-three".