12151568 has 80 divisors (see below), whose sum is σ = 28498176. Its totient is φ = 4945920.

The previous prime is 12151553. The next prime is 12151603. The reversal of 12151568 is 86515121.

It is a self number, because there is not a number n which added to its sum of digits gives 12151568.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 107480 + ... + 107592.

Almost surely, 2^12151568 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 12151568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14249088).

12151568 is an abundant number, since it is smaller than the sum of its proper divisors (16346608).

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

12151568 is a wasteful number, since it uses less digits than its factorization.

12151568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192 (or 186 counting only the distinct ones).

The product of its digits is 2400, while the sum is 29.

The square root of 12151568 is about 3485.9099242522. The cubic root of 12151568 is about 229.9027187839.

Adding to 12151568 its reverse (86515121), we get a palindrome (98666689).

The spelling of 12151568 in words is "twelve million, one hundred fifty-one thousand, five hundred sixty-eight".