12618036 has 36 divisors (see below), whose sum is σ = 32761092. Its totient is φ = 4091904.

The previous prime is 12618017. The next prime is 12618041. The reversal of 12618036 is 63081621.

12618036 is a `hidden beast` number, since 12 + 618 + 0 + 36 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 11861136 + 756900 = 3444^2 + 870^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3405 + ... + 6068.

Almost surely, 2^12618036 is an apocalyptic number.

It is an amenable number.

12618036 is an abundant number, since it is smaller than the sum of its proper divisors (20143056).

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

12618036 is a wasteful number, since it uses less digits than its factorization.

12618036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9520 (or 9515 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 12618036 is about 3552.1874950515. The cubic root of 12618036 is about 232.8076537676.

Adding to 12618036 its reverse (63081621), we get a palindrome (75699657).

The spelling of 12618036 in words is "twelve million, six hundred eighteen thousand, thirty-six".