13343257 has 2 divisors, whose sum is σ = 13343258. Its totient is φ = 13343256.

The previous prime is 13343233. The next prime is 13343269. The reversal of 13343257 is 75234331.

13343257 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13329801 + 13456 = 3651^2 + 116^2 .

It is an emirp because it is prime and its reverse (75234331) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13343257 - 2⁷ = 13343129 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (13343357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6671628 + 6671629.

It is an arithmetic number, because the mean of its divisors is an integer number (6671629).

Almost surely, 2^13343257 is an apocalyptic number.

It is an amenable number.

13343257 is a deficient number, since it is larger than the sum of its proper divisors (1).

13343257 is an equidigital number, since it uses as much as digits as its factorization.

13343257 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7560, while the sum is 28.

The square root of 13343257 is about 3652.8423179765. The cubic root of 13343257 is about 237.1850347496.

Adding to 13343257 its reverse (75234331), we get a palindrome (88577588).

The spelling of 13343257 in words is "thirteen million, three hundred forty-three thousand, two hundred fifty-seven".