13226497 has 2 divisors, whose sum is σ = 13226498. Its totient is φ = 13226496.

The previous prime is 13226471. The next prime is 13226503. The reversal of 13226497 is 79462231.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8904256 + 4322241 = 2984^2 + 2079^2 .

It is an emirp because it is prime and its reverse (79462231) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13226497 - 2¹⁵ = 13193729 is a prime.

It is not a weakly prime, because it can be changed into another prime (13226467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6613248 + 6613249.

It is an arithmetic number, because the mean of its divisors is an integer number (6613249).

Almost surely, 2^13226497 is an apocalyptic number.

It is an amenable number.

13226497 is a deficient number, since it is larger than the sum of its proper divisors (1).

13226497 is an equidigital number, since it uses as much as digits as its factorization.

13226497 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18144, while the sum is 34.

The square root of 13226497 is about 3636.8251263980. The cubic root of 13226497 is about 236.4911787314.

The spelling of 13226497 in words is "thirteen million, two hundred twenty-six thousand, four hundred ninety-seven".