12154068 has 36 divisors (see below), whose sum is σ = 31187520. Its totient is φ = 3990096.

The previous prime is 12154063. The next prime is 12154069. The reversal of 12154068 is 86045121.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12154061) 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 11 ways as a sum of consecutive naturals, for example, 108 + ... + 4931.

It is an arithmetic number, because the mean of its divisors is an integer number (866320).

Almost surely, 2^12154068 is an apocalyptic number.

12154068 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 12154068, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15593760).

12154068 is an abundant number, since it is smaller than the sum of its proper divisors (19033452).

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

12154068 is a wasteful number, since it uses less digits than its factorization.

12154068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5116 (or 5111 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The square root of 12154068 is about 3486.2684922421. The cubic root of 12154068 is about 229.9184840302.

Adding to 12154068 its reverse (86045121), we get a palindrome (98199189).

The spelling of 12154068 in words is "twelve million, one hundred fifty-four thousand, sixty-eight".