12633306 has 48 divisors (see below), whose sum is σ = 29932992. Its totient is φ = 3481920.

The previous prime is 12633253. The next prime is 12633311. The reversal of 12633306 is 60333621.

12633306 is nontrivially palindromic in base 5.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 40206 + ... + 40518.

It is an arithmetic number, because the mean of its divisors is an integer number (623604).

Almost surely, 2^12633306 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12633306, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14966496).

12633306 is an abundant number, since it is smaller than the sum of its proper divisors (17299686).

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

12633306 is a wasteful number, since it uses less digits than its factorization.

12633306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 387 (or 356 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 24.

The square root of 12633306 is about 3554.3362249512. The cubic root of 12633306 is about 232.9015283820.

Adding to 12633306 its reverse (60333621), we get a palindrome (72966927).

The spelling of 12633306 in words is "twelve million, six hundred thirty-three thousand, three hundred six".