12044340 has 216 divisors, whose sum is σ = 46475520. Its totient is φ = 2471040.

The previous prime is 12044327. The next prime is 12044353. The reversal of 12044340 is 4344021.

12044340 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12044327) and next prime (12044353).

It is a super-3 number, since 3×12044340³ (a number of 22 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 152421 + ... + 152499.

Almost surely, 2^12044340 is an apocalyptic number.

12044340 is a gapful number since it is divisible by the number (10) 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 12044340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23237760).

12044340 is an abundant number, since it is smaller than the sum of its proper divisors (34431180).

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

12044340 is a wasteful number, since it uses less digits than its factorization.

12044340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123 (or 107 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 12044340 is about 3470.4956418356. The cubic root of 12044340 is about 229.2244831900.

Adding to 12044340 its reverse (4344021), we get a palindrome (16388361).

The spelling of 12044340 in words is "twelve million, forty-four thousand, three hundred forty".