13148563 has 4 divisors (see below), whose sum is σ = 13371480. Its totient is φ = 12925648.

The previous prime is 13148543. The next prime is 13148581. The reversal of 13148563 is 36584131.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13148563 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13148533) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 111370 + ... + 111487.

It is an arithmetic number, because the mean of its divisors is an integer number (3342870).

Almost surely, 2^13148563 is an apocalyptic number.

13148563 is a deficient number, since it is larger than the sum of its proper divisors (222917).

13148563 is an equidigital number, since it uses as much as digits as its factorization.

13148563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222916.

The product of its digits is 8640, while the sum is 31.

The square root of 13148563 is about 3626.0947312501. The cubic root of 13148563 is about 236.0257740212.

The spelling of 13148563 in words is "thirteen million, one hundred forty-eight thousand, five hundred sixty-three".