13340497 has 2 divisors, whose sum is σ = 13340498. Its totient is φ = 13340496.

The previous prime is 13340491. The next prime is 13340501. The reversal of 13340497 is 79404331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12702096 + 638401 = 3564^2 + 799^2 .

It is a cyclic number.

It is not a de Polignac number, because 13340497 - 2¹¹ = 13338449 is a prime.

It is not a weakly prime, because it can be changed into another prime (13340491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6670248 + 6670249.

It is an arithmetic number, because the mean of its divisors is an integer number (6670249).

Almost surely, 2^13340497 is an apocalyptic number.

It is an amenable number.

13340497 is a deficient number, since it is larger than the sum of its proper divisors (1).

13340497 is an equidigital number, since it uses as much as digits as its factorization.

13340497 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 13340497 is about 3652.4645104368. The cubic root of 13340497 is about 237.1686800261.

The spelling of 13340497 in words is "thirteen million, three hundred forty thousand, four hundred ninety-seven".