13455577 has 2 divisors, whose sum is σ = 13455578. Its totient is φ = 13455576.

The previous prime is 13455539. The next prime is 13455641. The reversal of 13455577 is 77555431.

13455577 is digitally balanced in base 2, 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., 10055241 + 3400336 = 3171^2 + 1844^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13455577 is a prime.

It is a plaindrome in base 10.

It is not a weakly prime, because it can be changed into another prime (13455527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6727788 + 6727789.

It is an arithmetic number, because the mean of its divisors is an integer number (6727789).

Almost surely, 2^13455577 is an apocalyptic number.

It is an amenable number.

13455577 is a deficient number, since it is larger than the sum of its proper divisors (1).

13455577 is an equidigital number, since it uses as much as digits as its factorization.

13455577 is an evil number, because the sum of its binary digits is even.

The product of its digits is 73500, while the sum is 37.

The square root of 13455577 is about 3668.1844282969. The cubic root of 13455577 is about 237.8486962903.

The spelling of 13455577 in words is "thirteen million, four hundred fifty-five thousand, five hundred seventy-seven".