12654563 has 2 divisors, whose sum is σ = 12654564. Its totient is φ = 12654562.

The previous prime is 12654557. The next prime is 12654571. The reversal of 12654563 is 36545621.

12654563 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 is a cyclic number.

It is not a de Polignac number, because 12654563 - 2¹⁰ = 12653539 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (12654503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6327281 + 6327282.

It is an arithmetic number, because the mean of its divisors is an integer number (6327282).

Almost surely, 2^12654563 is an apocalyptic number.

12654563 is a deficient number, since it is larger than the sum of its proper divisors (1).

12654563 is an equidigital number, since it uses as much as digits as its factorization.

12654563 is an evil number, because the sum of its binary digits is even.

The product of its digits is 21600, while the sum is 32.

The square root of 12654563 is about 3557.3252592362. The cubic root of 12654563 is about 233.0320831136.

The spelling of 12654563 in words is "twelve million, six hundred fifty-four thousand, five hundred sixty-three".