12945306 has 32 divisors (see below), whose sum is σ = 28495296. Its totient is φ = 3920400.

The previous prime is 12945293. The next prime is 12945307. The reversal of 12945306 is 60354921.

12945306 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (12945307) 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, 7176 + ... + 8796.

It is an arithmetic number, because the mean of its divisors is an integer number (890478).

Almost surely, 2^12945306 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12945306, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14247648).

12945306 is an abundant number, since it is smaller than the sum of its proper divisors (15549990).

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

12945306 is a wasteful number, since it uses less digits than its factorization.

12945306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1659 (or 1637 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 12945306 is about 3597.9585878662. The cubic root of 12945306 is about 234.8032516501.

The spelling of 12945306 in words is "twelve million, nine hundred forty-five thousand, three hundred six".