16823712 has 48 divisors (see below), whose sum is σ = 45692640. Its totient is φ = 5413632.

The previous prime is 16823701. The next prime is 16823713. The reversal of 16823712 is 21732861.

It is a tau number, because it is divible by the number of its divisors (48).

It is a self number, because there is not a number n which added to its sum of digits gives 16823712.

It is not an unprimeable number, because it can be changed into a prime (16823713) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 238 + ... + 5805.

It is an arithmetic number, because the mean of its divisors is an integer number (951930).

Almost surely, 2^16823712 is an apocalyptic number.

16823712 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16823712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22846320).

16823712 is an abundant number, since it is smaller than the sum of its proper divisors (28868928).

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

16823712 is a wasteful number, since it uses less digits than its factorization.

16823712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6085 (or 6077 counting only the distinct ones).

The product of its digits is 4032, while the sum is 30.

The square root of 16823712 is about 4101.6718542565. The cubic root of 16823712 is about 256.2362727527.

The spelling of 16823712 in words is "sixteen million, eight hundred twenty-three thousand, seven hundred twelve".