13335997 has 2 divisors, whose sum is σ = 13335998. Its totient is φ = 13335996.

The previous prime is 13335989. The next prime is 13336031. The reversal of 13335997 is 79953331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7474756 + 5861241 = 2734^2 + 2421^2 .

It is a cyclic number.

It is not a de Polignac number, because 13335997 - 2³ = 13335989 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13335197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6667998 + 6667999.

It is an arithmetic number, because the mean of its divisors is an integer number (6667999).

Almost surely, 2^13335997 is an apocalyptic number.

It is an amenable number.

13335997 is a deficient number, since it is larger than the sum of its proper divisors (1).

13335997 is an equidigital number, since it uses as much as digits as its factorization.

13335997 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 76545, while the sum is 40.

The square root of 13335997 is about 3651.8484360663. The cubic root of 13335997 is about 237.1420098781.

It can be divided in two parts, 1333 and 5997, that multiplied together give a triangular number (7994001 = T₃₉₉₈).

The spelling of 13335997 in words is "thirteen million, three hundred thirty-five thousand, nine hundred ninety-seven".