13389577 has 2 divisors, whose sum is σ = 13389578. Its totient is φ = 13389576.

The previous prime is 13389569. The next prime is 13389599. The reversal of 13389577 is 77598331.

13389577 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13388281 + 1296 = 3659^2 + 36^2 .

It is an emirp because it is prime and its reverse (77598331) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13389577 - 2³ = 13389569 is a prime.

It is not a weakly prime, because it can be changed into another prime (13389377) 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, 6694788 + 6694789.

It is an arithmetic number, because the mean of its divisors is an integer number (6694789).

Almost surely, 2^13389577 is an apocalyptic number.

It is an amenable number.

13389577 is a deficient number, since it is larger than the sum of its proper divisors (1).

13389577 is an equidigital number, since it uses as much as digits as its factorization.

13389577 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 158760, while the sum is 43.

The square root of 13389577 is about 3659.1770932820. The cubic root of 13389577 is about 237.4591737765.

The spelling of 13389577 in words is "thirteen million, three hundred eighty-nine thousand, five hundred seventy-seven".