12729066 has 16 divisors (see below), whose sum is σ = 29095104. Its totient is φ = 3636864.

The previous prime is 12729061. The next prime is 12729091. The reversal of 12729066 is 66092721.

12729066 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 7 ways as a sum of consecutive naturals, for example, 151495 + ... + 151578.

It is an arithmetic number, because the mean of its divisors is an integer number (1818444).

Almost surely, 2^12729066 is an apocalyptic number.

12729066 is an abundant number, since it is smaller than the sum of its proper divisors (16366038).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12729066 is a wasteful number, since it uses less digits than its factorization.

12729066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303085.

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 12729066 is about 3567.7816637233. The cubic root of 12729066 is about 233.4885094771.

The spelling of 12729066 in words is "twelve million, seven hundred twenty-nine thousand, sixty-six".