12520052 has 24 divisors (see below), whose sum is σ = 22715616. Its totient is φ = 6033888.

The previous prime is 12520051. The next prime is 12520091. The reversal of 12520052 is 25002521.

It is a self number, because there is not a number n which added to its sum of digits gives 12520052.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12520051) 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 7 ways as a sum of consecutive naturals, for example, 13838 + ... + 14714.

It is an arithmetic number, because the mean of its divisors is an integer number (946484).

Almost surely, 2^12520052 is an apocalyptic number.

It is an amenable number.

12520052 is a deficient number, since it is larger than the sum of its proper divisors (10195564).

12520052 is a wasteful number, since it uses less digits than its factorization.

12520052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1007 (or 1005 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 17.

The square root of 12520052 is about 3538.3685506176. The cubic root of 12520052 is about 232.2034729013.

Adding to 12520052 its reverse (25002521), we get a palindrome (37522573).

The spelling of 12520052 in words is "twelve million, five hundred twenty thousand, fifty-two".