12785933 has 2 divisors, whose sum is σ = 12785934. Its totient is φ = 12785932.

The previous prime is 12785869. The next prime is 12785939. The reversal of 12785933 is 33958721.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10484644 + 2301289 = 3238^2 + 1517^2 .

It is a cyclic number.

It is not a de Polignac number, because 12785933 - 2⁶ = 12785869 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12785939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6392966 + 6392967.

It is an arithmetic number, because the mean of its divisors is an integer number (6392967).

Almost surely, 2^12785933 is an apocalyptic number.

It is an amenable number.

12785933 is a deficient number, since it is larger than the sum of its proper divisors (1).

12785933 is an equidigital number, since it uses as much as digits as its factorization.

12785933 is an evil number, because the sum of its binary digits is even.

The product of its digits is 45360, while the sum is 38.

The square root of 12785933 is about 3575.7423005580. The cubic root of 12785933 is about 233.8356956516.

The spelling of 12785933 in words is "twelve million, seven hundred eighty-five thousand, nine hundred thirty-three".