12870563 has 2 divisors, whose sum is σ = 12870564. Its totient is φ = 12870562.

The previous prime is 12870553. The next prime is 12870569. The reversal of 12870563 is 36507821.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12870563 - 2¹⁶ = 12805027 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12870569) 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, 6435281 + 6435282.

It is an arithmetic number, because the mean of its divisors is an integer number (6435282).

Almost surely, 2^12870563 is an apocalyptic number.

12870563 is a deficient number, since it is larger than the sum of its proper divisors (1).

12870563 is an equidigital number, since it uses as much as digits as its factorization.

12870563 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 12870563 is about 3587.5566894476. The cubic root of 12870563 is about 234.3504804690.

The spelling of 12870563 in words is "twelve million, eight hundred seventy thousand, five hundred sixty-three".