12380144 has 30 divisors (see below), whose sum is σ = 27904464. Its totient is φ = 5305440.

The previous prime is 12380119. The next prime is 12380149. The reversal of 12380144 is 44108321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12380149) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7112 + ... + 8679.

Almost surely, 2^12380144 is an apocalyptic number.

12380144 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

12380144 is an abundant number, since it is smaller than the sum of its proper divisors (15524320).

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

12380144 is a wasteful number, since it uses less digits than its factorization.

12380144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15813 (or 15800 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 12380144 is about 3518.5428802276. The cubic root of 12380144 is about 231.3352951486.

Adding to 12380144 its reverse (44108321), we get a palindrome (56488465).

The spelling of 12380144 in words is "twelve million, three hundred eighty thousand, one hundred forty-four".