12025216 has 32 divisors (see below), whose sum is σ = 27380880. Its totient is φ = 5153280.

The previous prime is 12025183. The next prime is 12025229. The reversal of 12025216 is 61252021.

It is a tau number, because it is divible by the number of its divisors (32).

It is a junction number, because it is equal to n+sod(n) for n = 12025193 and 12025202.

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 5815 + ... + 7606.

Almost surely, 2^12025216 is an apocalyptic number.

12025216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12025216 is an abundant number, since it is smaller than the sum of its proper divisors (15355664).

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

12025216 is an equidigital number, since it uses as much as digits as its factorization.

12025216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13442 (or 13430 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 12025216 is about 3467.7393212293. The cubic root of 12025216 is about 229.1030980635.

Adding to 12025216 its reverse (61252021), we get a palindrome (73277237).

The spelling of 12025216 in words is "twelve million, twenty-five thousand, two hundred sixteen".