13534889 has 2 divisors, whose sum is σ = 13534890. Its totient is φ = 13534888.

The previous prime is 13534883. The next prime is 13534891. The reversal of 13534889 is 98843531.

13534889 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., 12075625 + 1459264 = 3475^2 + 1208^2 .

It is a cyclic number.

It is not a de Polignac number, because 13534889 - 2¹⁶ = 13469353 is a prime.

Together with 13534891, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (13534883) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6767444 + 6767445.

It is an arithmetic number, because the mean of its divisors is an integer number (6767445).

Almost surely, 2^13534889 is an apocalyptic number.

It is an amenable number.

13534889 is a deficient number, since it is larger than the sum of its proper divisors (1).

13534889 is an equidigital number, since it uses as much as digits as its factorization.

13534889 is an evil number, because the sum of its binary digits is even.

The product of its digits is 103680, while the sum is 41.

The square root of 13534889 is about 3678.9793421546. The cubic root of 13534889 is about 238.3151029573.

The spelling of 13534889 in words is "thirteen million, five hundred thirty-four thousand, eight hundred eighty-nine".