12115252 has 6 divisors (see below), whose sum is σ = 21201698. Its totient is φ = 6057624.

The previous prime is 12115231. The next prime is 12115267. The reversal of 12115252 is 25251121.

It can be written as a sum of positive squares in only one way, i.e., 7257636 + 4857616 = 2694^2 + 2204^2 .

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 as a sum of consecutive naturals, namely, 1514403 + ... + 1514410.

Almost surely, 2^12115252 is an apocalyptic number.

It is an amenable number.

12115252 is a deficient number, since it is larger than the sum of its proper divisors (9086446).

12115252 is a wasteful number, since it uses less digits than its factorization.

12115252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3028817 (or 3028815 counting only the distinct ones).

The product of its digits is 200, while the sum is 19.

The square root of 12115252 is about 3480.6970566253. The cubic root of 12115252 is about 229.6734622701.

Adding to 12115252 its reverse (25251121), we get a palindrome (37366373).

The spelling of 12115252 in words is "twelve million, one hundred fifteen thousand, two hundred fifty-two".