16812992 has 28 divisors (see below), whose sum is σ = 38130480. Its totient is φ = 7205376.

The previous prime is 16812979. The next prime is 16812997. The reversal of 16812992 is 29921861.

It is a tau number, because it is divible by the number of its divisors (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16812997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18317 + ... + 19212.

Almost surely, 2^16812992 is an apocalyptic number.

It is an amenable number.

16812992 is an abundant number, since it is smaller than the sum of its proper divisors (21317488).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16812992 is an equidigital number, since it uses as much as digits as its factorization.

16812992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37548 (or 37538 counting only the distinct ones).

The product of its digits is 15552, while the sum is 38.

The square root of 16812992 is about 4100.3648618141. The cubic root of 16812992 is about 256.1818369564.

The spelling of 16812992 in words is "sixteen million, eight hundred twelve thousand, nine hundred ninety-two".