12150816 has 48 divisors (see below), whose sum is σ = 32586624. Its totient is φ = 3962624.

The previous prime is 12150799. The next prime is 12150829. The reversal of 12150816 is 61805121.

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

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, 3166 + ... + 5858.

It is an arithmetic number, because the mean of its divisors is an integer number (678888).

Almost surely, 2^12150816 is an apocalyptic number.

12150816 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 12150816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16293312).

12150816 is an abundant number, since it is smaller than the sum of its proper divisors (20435808).

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

12150816 is a wasteful number, since it uses less digits than its factorization.

12150816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2753 (or 2745 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 24.

The square root of 12150816 is about 3485.8020597848. The cubic root of 12150816 is about 229.8979761748.

Adding to 12150816 its reverse (61805121), we get a palindrome (73955937).

The spelling of 12150816 in words is "twelve million, one hundred fifty thousand, eight hundred sixteen".