16288812 has 36 divisors (see below), whose sum is σ = 41379520. Its totient is φ = 5402592.

The previous prime is 16288801. The next prime is 16288817. The reversal of 16288812 is 21888261.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (16288817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7014 + ... + 9042.

Almost surely, 2^16288812 is an apocalyptic number.

16288812 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16288812 is an abundant number, since it is smaller than the sum of its proper divisors (25090708).

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

16288812 is a wasteful number, since it uses less digits than its factorization.

16288812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2262 (or 2257 counting only the distinct ones).

The product of its digits is 12288, while the sum is 36.

The square root of 16288812 is about 4035.9400391978. The cubic root of 16288812 is about 253.4913457125.

It can be divided in two parts, 1628 and 8812, that added together give a triangular number (10440 = T₁₄₄).

The spelling of 16288812 in words is "sixteen million, two hundred eighty-eight thousand, eight hundred twelve".