12028416 has 80 divisors (see below), whose sum is σ = 32997888. Its totient is φ = 3891200.

The previous prime is 12028409. The next prime is 12028421. The reversal of 12028416 is 61482021.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62881 + ... + 63071.

Almost surely, 2^12028416 is an apocalyptic number.

12028416 is a gapful number since it is divisible by the number (16) 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 12028416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16498944).

12028416 is an abundant number, since it is smaller than the sum of its proper divisors (20969472).

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

12028416 is an equidigital number, since it uses as much as digits as its factorization.

12028416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253 (or 237 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 24.

The square root of 12028416 is about 3468.2006862349. The cubic root of 12028416 is about 229.1234182776.

The spelling of 12028416 in words is "twelve million, twenty-eight thousand, four hundred sixteen".