12450816 has 132 divisors (see below), whose sum is σ = 41300272. Its totient is φ = 3538944.

The previous prime is 12450793. The next prime is 12450847. The reversal of 12450816 is 61805421.

12450816 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 12450816.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 64416 + ... + 64608.

Almost surely, 2^12450816 is an apocalyptic number.

12450816 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 12450816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20650136).

12450816 is an abundant number, since it is smaller than the sum of its proper divisors (28849456).

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

12450816 is a wasteful number, since it uses less digits than its factorization.

12450816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226 (or 205 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The square root of 12450816 is about 3528.5713823019. The cubic root of 12450816 is about 231.7746523700.

The spelling of 12450816 in words is "twelve million, four hundred fifty thousand, eight hundred sixteen".