12154868 has 12 divisors (see below), whose sum is σ = 23204832. Its totient is φ = 5524920.

The previous prime is 12154859. The next prime is 12154871. The reversal of 12154868 is 86845121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 138080 + ... + 138167.

It is an arithmetic number, because the mean of its divisors is an integer number (1933736).

Almost surely, 2^12154868 is an apocalyptic number.

It is an amenable number.

12154868 is a deficient number, since it is larger than the sum of its proper divisors (11049964).

12154868 is a wasteful number, since it uses less digits than its factorization.

12154868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276262 (or 276260 counting only the distinct ones).

The product of its digits is 15360, while the sum is 35.

The square root of 12154868 is about 3486.3832262102. The cubic root of 12154868 is about 229.9235284524.

Adding to 12154868 its reverse (86845121), we get a palindrome (98999989).

The spelling of 12154868 in words is "twelve million, one hundred fifty-four thousand, eight hundred sixty-eight".