12181848 has 64 divisors (see below), whose sum is σ = 35424000. Its totient is φ = 3418752.

The previous prime is 12181847. The next prime is 12181849. The reversal of 12181848 is 84818121.

12181848 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12181847) and next prime (12181849).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12181847) 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, 9298 + ... + 10526.

It is an arithmetic number, because the mean of its divisors is an integer number (553500).

Almost surely, 2^12181848 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12181848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17712000).

12181848 is an abundant number, since it is smaller than the sum of its proper divisors (23242152).

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

12181848 is a wasteful number, since it uses less digits than its factorization.

12181848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1304 (or 1300 counting only the distinct ones).

The product of its digits is 4096, while the sum is 33.

The square root of 12181848 is about 3490.2504208151. The cubic root of 12181848 is about 230.0935221435.

Adding to 12181848 its reverse (84818121), we get a palindrome (96999969).

The spelling of 12181848 in words is "twelve million, one hundred eighty-one thousand, eight hundred forty-eight".