12070312 has 8 divisors (see below), whose sum is σ = 22631850. Its totient is φ = 6035152.

The previous prime is 12070309. The next prime is 12070327. The reversal of 12070312 is 21307021.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 9400356 + 2669956 = 3066^2 + 1634^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 754387 + ... + 754402.

Almost surely, 2^12070312 is an apocalyptic number.

It is an amenable number.

12070312 is a deficient number, since it is larger than the sum of its proper divisors (10561538).

12070312 is a wasteful number, since it uses less digits than its factorization.

12070312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1508795 (or 1508791 counting only the distinct ones).

The product of its (nonzero) digits is 84, while the sum is 16.

The square root of 12070312 is about 3474.2354554635. The cubic root of 12070312 is about 229.3891288285.

Adding to 12070312 its reverse (21307021), we get a palindrome (33377333).

The spelling of 12070312 in words is "twelve million, seventy thousand, three hundred twelve".