12081852 has 24 divisors (see below), whose sum is σ = 31323600. Its totient is φ = 4027248.

The previous prime is 12081841. The next prime is 12081859. The reversal of 12081852 is 25818021.

It is a super-2 number, since 2×12081852² = 291942295499808, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12081859) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55827 + ... + 56042.

It is an arithmetic number, because the mean of its divisors is an integer number (1305150).

Almost surely, 2^12081852 is an apocalyptic number.

12081852 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12081852 is an abundant number, since it is smaller than the sum of its proper divisors (19241748).

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

12081852 is a wasteful number, since it uses less digits than its factorization.

12081852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111882 (or 111874 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 27.

The square root of 12081852 is about 3475.8958557471. The cubic root of 12081852 is about 229.4622091647.

Adding to 12081852 its reverse (25818021), we get a palindrome (37899873).

The spelling of 12081852 in words is "twelve million, eighty-one thousand, eight hundred fifty-two".