12963505 has 16 divisors (see below), whose sum is σ = 16197120. Its totient is φ = 9951552.

The previous prime is 12963499. The next prime is 12963563. The reversal of 12963505 is 50536921.

It is a cyclic number.

It is not a de Polignac number, because 12963505 - 2¹¹ = 12961457 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14172 + ... + 15058.

It is an arithmetic number, because the mean of its divisors is an integer number (1012320).

Almost surely, 2^12963505 is an apocalyptic number.

It is an amenable number.

12963505 is a deficient number, since it is larger than the sum of its proper divisors (3233615).

12963505 is an equidigital number, since it uses as much as digits as its factorization.

12963505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1008.

The product of its (nonzero) digits is 8100, while the sum is 31.

The square root of 12963505 is about 3600.4867726462. The cubic root of 12963505 is about 234.9132318872.

The spelling of 12963505 in words is "twelve million, nine hundred sixty-three thousand, five hundred five".