12107844 has 72 divisors (see below), whose sum is σ = 36516480. Its totient is φ = 3307392.

The previous prime is 12107839. The next prime is 12107861. The reversal of 12107844 is 44870121.

12107844 = T₉₇ + T₉₈ + ... + T₄₁₈.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4752 + ... + 6840.

Almost surely, 2^12107844 is an apocalyptic number.

12107844 is a gapful number since it is divisible by the number (14) 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 12107844, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18258240).

12107844 is an abundant number, since it is smaller than the sum of its proper divisors (24408636).

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

12107844 is a wasteful number, since it uses less digits than its factorization.

12107844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2129 (or 2124 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 27.

The square root of 12107844 is about 3479.6327392413. The cubic root of 12107844 is about 229.6266406299.

Adding to 12107844 its reverse (44870121), we get a palindrome (56977965).

The spelling of 12107844 in words is "twelve million, one hundred seven thousand, eight hundred forty-four".