12727444 has 6 divisors (see below), whose sum is σ = 22273034. Its totient is φ = 6363720.

The previous prime is 12727439. The next prime is 12727447. The reversal of 12727444 is 44472721.

It can be written as a sum of positive squares in only one way, i.e., 6822544 + 5904900 = 2612^2 + 2430^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12727447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1590927 + ... + 1590934.

Almost surely, 2^12727444 is an apocalyptic number.

It is an amenable number.

12727444 is a deficient number, since it is larger than the sum of its proper divisors (9545590).

12727444 is a wasteful number, since it uses less digits than its factorization.

12727444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3181865 (or 3181863 counting only the distinct ones).

The product of its digits is 12544, while the sum is 31.

The square root of 12727444 is about 3567.5543443653. The cubic root of 12727444 is about 233.4785916389.

The spelling of 12727444 in words is "twelve million, seven hundred twenty-seven thousand, four hundred forty-four".