12510216 has 48 divisors (see below), whose sum is σ = 34070400. Its totient is φ = 4146912.

The previous prime is 12510209. The next prime is 12510217. The reversal of 12510216 is 61201521.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (12510217) 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 11 ways as a sum of consecutive naturals, for example, 16845 + ... + 17571.

It is an arithmetic number, because the mean of its divisors is an integer number (709800).

Almost surely, 2^12510216 is an apocalyptic number.

It is an amenable number.

12510216 is an abundant number, since it is smaller than the sum of its proper divisors (21560184).

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

12510216 is a wasteful number, since it uses less digits than its factorization.

12510216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 978 (or 971 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 12510216 is about 3536.9783714351. The cubic root of 12510216 is about 232.1426490931.

Adding to 12510216 its reverse (61201521), we get a palindrome (73711737).

The spelling of 12510216 in words is "twelve million, five hundred ten thousand, two hundred sixteen".