12542312 has 8 divisors (see below), whose sum is σ = 23516850. Its totient is φ = 6271152.

The previous prime is 12542293. The next prime is 12542317. The reversal of 12542312 is 21324521.

It can be written as a sum of positive squares in only one way, i.e., 11792356 + 749956 = 3434^2 + 866^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (12542317) 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 as a sum of consecutive naturals, namely, 783887 + ... + 783902.

Almost surely, 2^12542312 is an apocalyptic number.

It is an amenable number.

12542312 is a deficient number, since it is larger than the sum of its proper divisors (10974538).

12542312 is a wasteful number, since it uses less digits than its factorization.

12542312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1567795 (or 1567791 counting only the distinct ones).

The product of its digits is 480, while the sum is 20.

The square root of 12542312 is about 3541.5126711619. The cubic root of 12542312 is about 232.3410066489.

Adding to 12542312 its reverse (21324521), we get a palindrome (33866833).

The spelling of 12542312 in words is "twelve million, five hundred forty-two thousand, three hundred twelve".