12729364 has 6 divisors (see below), whose sum is σ = 22276394. Its totient is φ = 6364680.

The previous prime is 12729361. The next prime is 12729383. The reversal of 12729364 is 46392721.

It can be written as a sum of positive squares in only one way, i.e., 7064964 + 5664400 = 2658^2 + 2380^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12729361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1591167 + ... + 1591174.

Almost surely, 2^12729364 is an apocalyptic number.

It is an amenable number.

12729364 is a deficient number, since it is larger than the sum of its proper divisors (9547030).

12729364 is a wasteful number, since it uses less digits than its factorization.

12729364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3182345 (or 3182343 counting only the distinct ones).

The product of its digits is 18144, while the sum is 34.

The square root of 12729364 is about 3567.8234261241. The cubic root of 12729364 is about 233.4903315284.

The spelling of 12729364 in words is "twelve million, seven hundred twenty-nine thousand, three hundred sixty-four".