12520116 has 48 divisors (see below), whose sum is σ = 37098880. Its totient is φ = 3576960.

The previous prime is 12520111. The next prime is 12520127. The reversal of 12520116 is 61102521.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12520111) 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 in 15 ways as a sum of consecutive naturals, for example, 7525 + ... + 9036.

Almost surely, 2^12520116 is an apocalyptic number.

It is an amenable number.

12520116 is an abundant number, since it is smaller than the sum of its proper divisors (24578764).

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

12520116 is a wasteful number, since it uses less digits than its factorization.

12520116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16581 (or 16573 counting only the distinct ones).

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

The square root of 12520116 is about 3538.3775943220. The cubic root of 12520116 is about 232.2038685599.

Adding to 12520116 its reverse (61102521), we get a palindrome (73622637).

The spelling of 12520116 in words is "twelve million, five hundred twenty thousand, one hundred sixteen".