12808463 has 4 divisors (see below), whose sum is σ = 13561920. Its totient is φ = 12055008.

The previous prime is 12808387. The next prime is 12808469. The reversal of 12808463 is 36480821.

12808463 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 12808463 - 2¹² = 12804367 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12808469) 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, 376703 + ... + 376736.

It is an arithmetic number, because the mean of its divisors is an integer number (3390480).

Almost surely, 2^12808463 is an apocalyptic number.

12808463 is a deficient number, since it is larger than the sum of its proper divisors (753457).

12808463 is an equidigital number, since it uses as much as digits as its factorization.

12808463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 753456.

The product of its (nonzero) digits is 9216, while the sum is 32.

The square root of 12808463 is about 3578.8913087715. The cubic root of 12808463 is about 233.9729617869.

The spelling of 12808463 in words is "twelve million, eight hundred eight thousand, four hundred sixty-three".