12117848 has 8 divisors (see below), whose sum is σ = 22720980. Its totient is φ = 6058920.

The previous prime is 12117841. The next prime is 12117851. The reversal of 12117848 is 84871121.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×12117848² = 293684480302208, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12117841) 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 as a sum of consecutive naturals, namely, 757358 + ... + 757373.

Almost surely, 2^12117848 is an apocalyptic number.

It is an amenable number.

12117848 is a deficient number, since it is larger than the sum of its proper divisors (10603132).

12117848 is a wasteful number, since it uses less digits than its factorization.

12117848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1514737 (or 1514733 counting only the distinct ones).

The product of its digits is 3584, while the sum is 32.

The square root of 12117848 is about 3481.0699504606. The cubic root of 12117848 is about 229.6898655533.

Adding to 12117848 its reverse (84871121), we get a palindrome (96988969).

The spelling of 12117848 in words is "twelve million, one hundred seventeen thousand, eight hundred forty-eight".