12450306 has 64 divisors (see below), whose sum is σ = 28740096. Its totient is φ = 3561600.

The previous prime is 12450293. The next prime is 12450311. The reversal of 12450306 is 60305421.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 116305 + ... + 116411.

It is an arithmetic number, because the mean of its divisors is an integer number (449064).

Almost surely, 2^12450306 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12450306, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14370048).

12450306 is an abundant number, since it is smaller than the sum of its proper divisors (16289790).

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

12450306 is a wasteful number, since it uses less digits than its factorization.

12450306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 12450306 is about 3528.4991143544. The cubic root of 12450306 is about 231.7714877397.

Adding to 12450306 its reverse (60305421), we get a palindrome (72755727).

The spelling of 12450306 in words is "twelve million, four hundred fifty thousand, three hundred six".