12015108 has 96 divisors (see below), whose sum is σ = 37201920. Its totient is φ = 3278880.

The previous prime is 12015097. The next prime is 12015139. The reversal of 12015108 is 80151021.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 17043 + ... + 17733.

It is an arithmetic number, because the mean of its divisors is an integer number (387520).

Almost surely, 2^12015108 is an apocalyptic number.

12015108 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12015108, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18600960).

12015108 is an abundant number, since it is smaller than the sum of its proper divisors (25186812).

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

12015108 is a wasteful number, since it uses less digits than its factorization.

12015108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 734 (or 726 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 18.

The square root of 12015108 is about 3466.2815811760. The cubic root of 12015108 is about 229.0388878995.

Adding to 12015108 its reverse (80151021), we get a palindrome (92166129).

The spelling of 12015108 in words is "twelve million, fifteen thousand, one hundred eight".