12443012 has 6 divisors (see below), whose sum is σ = 21775278. Its totient is φ = 6221504.

The previous prime is 12442999. The next prime is 12443029. The reversal of 12443012 is 21034421.

It can be written as a sum of positive squares in only one way, i.e., 8386816 + 4056196 = 2896^2 + 2014^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1555373 + ... + 1555380.

It is an arithmetic number, because the mean of its divisors is an integer number (3629213).

Almost surely, 2^12443012 is an apocalyptic number.

It is an amenable number.

12443012 is a deficient number, since it is larger than the sum of its proper divisors (9332266).

12443012 is a wasteful number, since it uses less digits than its factorization.

12443012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3110757 (or 3110755 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 12443012 is about 3527.4653789938. The cubic root of 12443012 is about 231.7262178625.

Adding to 12443012 its reverse (21034421), we get a palindrome (33477433).

The spelling of 12443012 in words is "twelve million, four hundred forty-three thousand, twelve".