12943793 has 2 divisors, whose sum is σ = 12943794. Its totient is φ = 12943792.

The previous prime is 12943781. The next prime is 12943813. The reversal of 12943793 is 39734921.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8567329 + 4376464 = 2927^2 + 2092^2 .

It is an emirp because it is prime and its reverse (39734921) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12943793 - 2⁶ = 12943729 is a prime.

It is not a weakly prime, because it can be changed into another prime (12943393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6471896 + 6471897.

It is an arithmetic number, because the mean of its divisors is an integer number (6471897).

Almost surely, 2^12943793 is an apocalyptic number.

It is an amenable number.

12943793 is a deficient number, since it is larger than the sum of its proper divisors (1).

12943793 is an equidigital number, since it uses as much as digits as its factorization.

12943793 is an evil number, because the sum of its binary digits is even.

The product of its digits is 40824, while the sum is 38.

The square root of 12943793 is about 3597.7483236046. The cubic root of 12943793 is about 234.7941036454.

The spelling of 12943793 in words is "twelve million, nine hundred forty-three thousand, seven hundred ninety-three".