13502897 has 2 divisors, whose sum is σ = 13502898. Its totient is φ = 13502896.

The previous prime is 13502869. The next prime is 13502911. The reversal of 13502897 is 79820531.

13502897 is digitally balanced in base 3, 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., 13256881 + 246016 = 3641^2 + 496^2 .

It is a cyclic number.

It is not a de Polignac number, because 13502897 - 2⁶ = 13502833 is a prime.

It is not a weakly prime, because it can be changed into another prime (13502837) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6751448 + 6751449.

It is an arithmetic number, because the mean of its divisors is an integer number (6751449).

Almost surely, 2^13502897 is an apocalyptic number.

It is an amenable number.

13502897 is a deficient number, since it is larger than the sum of its proper divisors (1).

13502897 is an equidigital number, since it uses as much as digits as its factorization.

13502897 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15120, while the sum is 35.

The square root of 13502897 is about 3674.6288247931. The cubic root of 13502897 is about 238.1271888024.

The spelling of 13502897 in words is "thirteen million, five hundred two thousand, eight hundred ninety-seven".