13428563 has 2 divisors, whose sum is σ = 13428564. Its totient is φ = 13428562.

The previous prime is 13428559. The next prime is 13428617. The reversal of 13428563 is 36582431.

It is a weak prime.

It is an emirp because it is prime and its reverse (36582431) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13428563 - 2² = 13428559 is a prime.

It is not a weakly prime, because it can be changed into another prime (13428533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6714281 + 6714282.

It is an arithmetic number, because the mean of its divisors is an integer number (6714282).

Almost surely, 2^13428563 is an apocalyptic number.

13428563 is a deficient number, since it is larger than the sum of its proper divisors (1).

13428563 is an equidigital number, since it uses as much as digits as its factorization.

13428563 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17280, while the sum is 32.

The square root of 13428563 is about 3664.5003752217. The cubic root of 13428563 is about 237.6894178649.

The spelling of 13428563 in words is "thirteen million, four hundred twenty-eight thousand, five hundred sixty-three".