13528897 has 2 divisors, whose sum is σ = 13528898. Its totient is φ = 13528896.

The previous prime is 13528891. The next prime is 13528901. The reversal of 13528897 is 79882531.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12895281 + 633616 = 3591^2 + 796^2 .

It is an emirp because it is prime and its reverse (79882531) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13528897 - 2⁷ = 13528769 is a prime.

It is not a weakly prime, because it can be changed into another prime (13528891) 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, 6764448 + 6764449.

It is an arithmetic number, because the mean of its divisors is an integer number (6764449).

Almost surely, 2^13528897 is an apocalyptic number.

It is an amenable number.

13528897 is a deficient number, since it is larger than the sum of its proper divisors (1).

13528897 is an equidigital number, since it uses as much as digits as its factorization.

13528897 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 120960, while the sum is 43.

The square root of 13528897 is about 3678.1648957055. The cubic root of 13528897 is about 238.2799297868.

The spelling of 13528897 in words is "thirteen million, five hundred twenty-eight thousand, eight hundred ninety-seven".