12633018 has 8 divisors (see below), whose sum is σ = 25266048. Its totient is φ = 4211004.

The previous prime is 12633017. The next prime is 12633029. The reversal of 12633018 is 81033621.

It is a sphenic number, since it is the product of 3 distinct primes.

12633018 is an admirable number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12633011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1052746 + ... + 1052757.

It is an arithmetic number, because the mean of its divisors is an integer number (3158256).

Almost surely, 2^12633018 is an apocalyptic number.

12633018 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

12633018 is a wasteful number, since it uses less digits than its factorization.

12633018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2105508.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 12633018 is about 3554.2957108265. The cubic root of 12633018 is about 232.8997585589.

Adding to 12633018 its reverse (81033621), we get a palindrome (93666639).

The spelling of 12633018 in words is "twelve million, six hundred thirty-three thousand, eighteen".