12162744 has 64 divisors (see below), whose sum is σ = 36864000. Its totient is φ = 3684960.

The previous prime is 12162743. The next prime is 12162779. The reversal of 12162744 is 44726121.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12162743) 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 15 ways as a sum of consecutive naturals, for example, 184 + ... + 4935.

It is an arithmetic number, because the mean of its divisors is an integer number (576000).

Almost surely, 2^12162744 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 12162744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18432000).

12162744 is an abundant number, since it is smaller than the sum of its proper divisors (24701256).

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

12162744 is a wasteful number, since it uses less digits than its factorization.

12162744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5145 (or 5135 counting only the distinct ones).

The product of its digits is 2688, while the sum is 27.

The square root of 12162744 is about 3487.5125806225. The cubic root of 12162744 is about 229.9731789770.

Adding to 12162744 its reverse (44726121), we get a palindrome (56888865).

The spelling of 12162744 in words is "twelve million, one hundred sixty-two thousand, seven hundred forty-four".