12135344 has 40 divisors (see below), whose sum is σ = 25956672. Its totient is φ = 5460480.

The previous prime is 12135337. The next prime is 12135349. The reversal of 12135344 is 44353121.

12135344 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (12135349) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7817 + ... + 9239.

Almost surely, 2^12135344 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 12135344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12978336).

12135344 is an abundant number, since it is smaller than the sum of its proper divisors (13821328).

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

12135344 is a wasteful number, since it uses less digits than its factorization.

12135344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1485 (or 1479 counting only the distinct ones).

The product of its digits is 1440, while the sum is 23.

The square root of 12135344 is about 3483.5820644848. The cubic root of 12135344 is about 229.8003560563.

Adding to 12135344 its reverse (44353121), we get a palindrome (56488465).

It can be divided in two parts, 121 and 35344, that multiplied together give a square (4276624 = 2068²).

The spelling of 12135344 in words is "twelve million, one hundred thirty-five thousand, three hundred forty-four".