12000016 has 40 divisors (see below), whose sum is σ = 26734400. Its totient is φ = 5111424.

The previous prime is 11999989. The next prime is 12000017. The reversal of 12000016 is 61000021.

It is a super-4 number, since 4×12000016⁴ (a number of 29 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11999966 and 12000011.

It is not an unprimeable number, because it can be changed into a prime (12000017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34210 + ... + 34558.

It is an arithmetic number, because the mean of its divisors is an integer number (668360).

Almost surely, 2^12000016 is an apocalyptic number.

12000016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12000016 is an abundant number, since it is smaller than the sum of its proper divisors (14734384).

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

12000016 is a wasteful number, since it uses less digits than its factorization.

12000016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 671 (or 665 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 12000016 is about 3464.1039245381. The cubic root of 12000016 is about 228.9429502630.

Adding to 12000016 its reverse (61000021), we get a palindrome (73000037).

The spelling of 12000016 in words is "twelve million, sixteen", and thus it is an aban number and an uban number.