12311252 has 6 divisors (see below), whose sum is σ = 21544698. Its totient is φ = 6155624.

The previous prime is 12311251. The next prime is 12311261. The reversal of 12311252 is 25211321.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 8042896 + 4268356 = 2836^2 + 2066^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 12311252.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12311251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1538903 + ... + 1538910.

It is an arithmetic number, because the mean of its divisors is an integer number (3590783).

Almost surely, 2^12311252 is an apocalyptic number.

It is an amenable number.

12311252 is a deficient number, since it is larger than the sum of its proper divisors (9233446).

12311252 is a wasteful number, since it uses less digits than its factorization.

12311252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3077817 (or 3077815 counting only the distinct ones).

The product of its digits is 120, while the sum is 17.

The square root of 12311252 is about 3508.7393747613. The cubic root of 12311252 is about 230.9053915655.

Adding to 12311252 its reverse (25211321), we get a palindrome (37522573).

The spelling of 12311252 in words is "twelve million, three hundred eleven thousand, two hundred fifty-two".