12680563 has 6 divisors (see below), whose sum is σ = 14750916. Its totient is φ = 10869012.

The previous prime is 12680561. The next prime is 12680573. The reversal of 12680563 is 36508621.

It is not a de Polignac number, because 12680563 - 2¹ = 12680561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12680561) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 129345 + ... + 129442.

It is an arithmetic number, because the mean of its divisors is an integer number (2458486).

Almost surely, 2^12680563 is an apocalyptic number.

12680563 is a deficient number, since it is larger than the sum of its proper divisors (2070353).

12680563 is an equidigital number, since it uses as much as digits as its factorization.

12680563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258801 (or 258794 counting only the distinct ones).

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

The square root of 12680563 is about 3560.9778151513. The cubic root of 12680563 is about 233.1915694430.

The spelling of 12680563 in words is "twelve million, six hundred eighty thousand, five hundred sixty-three".