12016864 has 12 divisors (see below), whose sum is σ = 23658264. Its totient is φ = 6008416.

The previous prime is 12016861. The next prime is 12016877. The reversal of 12016864 is 46861021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12016861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 187732 + ... + 187795.

It is an arithmetic number, because the mean of its divisors is an integer number (1971522).

Almost surely, 2^12016864 is an apocalyptic number.

It is an amenable number.

12016864 is a deficient number, since it is larger than the sum of its proper divisors (11641400).

12016864 is an equidigital number, since it uses as much as digits as its factorization.

12016864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 375537 (or 375529 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 12016864 is about 3466.5348692895. The cubic root of 12016864 is about 229.0500453161.

Adding to 12016864 its reverse (46861021), we get a palindrome (58877885).

It can be divided in two parts, 12016 and 864, that added together give a triangular number (12880 = T₁₆₀).

The spelling of 12016864 in words is "twelve million, sixteen thousand, eight hundred sixty-four".