14771993 has 2 divisors, whose sum is σ = 14771994. Its totient is φ = 14771992.

The previous prime is 14771941. The next prime is 14772011. The reversal of 14771993 is 39917741.

14771993 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., 7573504 + 7198489 = 2752^2 + 2683^2 .

It is a cyclic number.

It is not a de Polignac number, because 14771993 - 2⁸ = 14771737 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 14771993.

It is not a weakly prime, because it can be changed into another prime (14771093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7385996 + 7385997.

It is an arithmetic number, because the mean of its divisors is an integer number (7385997).

Almost surely, 2^14771993 is an apocalyptic number.

It is an amenable number.

14771993 is a deficient number, since it is larger than the sum of its proper divisors (1).

14771993 is an equidigital number, since it uses as much as digits as its factorization.

14771993 is an evil number, because the sum of its binary digits is even.

The product of its digits is 47628, while the sum is 41.

The square root of 14771993 is about 3843.4350521376. The cubic root of 14771993 is about 245.3652361746.

The spelling of 14771993 in words is "fourteen million, seven hundred seventy-one thousand, nine hundred ninety-three".