6786413 has 2 divisors, whose sum is σ = 6786414. Its totient is φ = 6786412.

The previous prime is 6786407. The next prime is 6786457. The reversal of 6786413 is 3146876.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6543364 + 243049 = 2558^2 + 493^2 .

It is a cyclic number.

It is not a de Polignac number, because 6786413 - 2¹⁸ = 6524269 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6786473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3393206 + 3393207.

It is an arithmetic number, because the mean of its divisors is an integer number (3393207).

Almost surely, 2^6786413 is an apocalyptic number.

It is an amenable number.

6786413 is a deficient number, since it is larger than the sum of its proper divisors (1).

6786413 is an equidigital number, since it uses as much as digits as its factorization.

6786413 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24192, while the sum is 35.

The square root of 6786413 is about 2605.0744711044. The cubic root of 6786413 is about 189.3273816017.

The spelling of 6786413 in words is "six million, seven hundred eighty-six thousand, four hundred thirteen".