6993913 has 2 divisors, whose sum is σ = 6993914. Its totient is φ = 6993912.

The previous prime is 6993893. The next prime is 6993937. The reversal of 6993913 is 3193996.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6985449 + 8464 = 2643^2 + 92^2 .

It is a cyclic number.

It is not a de Polignac number, because 6993913 - 2⁹ = 6993401 is a prime.

It is not a weakly prime, because it can be changed into another prime (6990913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3496956 + 3496957.

It is an arithmetic number, because the mean of its divisors is an integer number (3496957).

Almost surely, 2^6993913 is an apocalyptic number.

It is an amenable number.

6993913 is a deficient number, since it is larger than the sum of its proper divisors (1).

6993913 is an equidigital number, since it uses as much as digits as its factorization.

6993913 is an evil number, because the sum of its binary digits is even.

The product of its digits is 39366, while the sum is 40.

The square root of 6993913 is about 2644.6007260076. The cubic root of 6993913 is about 191.2376545209.

The spelling of 6993913 in words is "six million, nine hundred ninety-three thousand, nine hundred thirteen".