12729065 has 16 divisors (see below), whose sum is σ = 16160256. Its totient is φ = 9609600.

The previous prime is 12729061. The next prime is 12729091. The reversal of 12729065 is 56092721.

12729065 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12729065 - 2² = 12729061 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12729061) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5354 + ... + 7356.

It is an arithmetic number, because the mean of its divisors is an integer number (1010016).

Almost surely, 2^12729065 is an apocalyptic number.

It is an amenable number.

12729065 is a deficient number, since it is larger than the sum of its proper divisors (3431191).

12729065 is a wasteful number, since it uses less digits than its factorization.

12729065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2080.

The product of its (nonzero) digits is 7560, while the sum is 32.

The square root of 12729065 is about 3567.7815235802. The cubic root of 12729065 is about 233.4885033628.

It can be divided in two parts, 127 and 29065, that added together give a palindrome (29192).

The spelling of 12729065 in words is "twelve million, seven hundred twenty-nine thousand, sixty-five".