16812963 has 6 divisors (see below), whose sum is σ = 24285404. Its totient is φ = 11208636.

The previous prime is 16812959. The next prime is 16812979. The reversal of 16812963 is 36921861.

It is not a de Polignac number, because 16812963 - 2² = 16812959 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16813963) 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, 934045 + ... + 934062.

Almost surely, 2^16812963 is an apocalyptic number.

16812963 is a deficient number, since it is larger than the sum of its proper divisors (7472441).

16812963 is a wasteful number, since it uses less digits than its factorization.

16812963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1868113 (or 1868110 counting only the distinct ones).

The product of its digits is 15552, while the sum is 36.

The square root of 16812963 is about 4100.3613255419. The cubic root of 16812963 is about 256.1816896640.

It can be divided in two parts, 168 and 12963, that added together give a palindrome (13131).

The spelling of 16812963 in words is "sixteen million, eight hundred twelve thousand, nine hundred sixty-three".