12036918 has 32 divisors (see below), whose sum is σ = 26835840. Its totient is φ = 3576960.

The previous prime is 12036907. The next prime is 12036919. The reversal of 12036918 is 81963021.

It is a super-3 number, since 3×12036918³ (a number of 22 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12036919) 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, 1168 + ... + 5043.

It is an arithmetic number, because the mean of its divisors is an integer number (838620).

Almost surely, 2^12036918 is an apocalyptic number.

12036918 is an abundant number, since it is smaller than the sum of its proper divisors (14798922).

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

12036918 is a wasteful number, since it uses less digits than its factorization.

12036918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6252.

The product of its (nonzero) digits is 2592, while the sum is 30.

The square root of 12036918 is about 3469.4261773383. The cubic root of 12036918 is about 229.1773890447.

Adding to 12036918 its reverse (81963021), we get a palindrome (93999939).

The spelling of 12036918 in words is "twelve million, thirty-six thousand, nine hundred eighteen".