12031376 has 80 divisors (see below), whose sum is σ = 28926720. Its totient is φ = 4730880.

The previous prime is 12031373. The next prime is 12031387. The reversal of 12031376 is 67313021.

It is a happy number.

12031376 is nontrivially palindromic in base 3.

12031376 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12031373) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 135140 + ... + 135228.

It is an arithmetic number, because the mean of its divisors is an integer number (361584).

Almost surely, 2^12031376 is an apocalyptic number.

12031376 is a gapful number since it is divisible by the number (16) 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 12031376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14463360).

12031376 is an abundant number, since it is smaller than the sum of its proper divisors (16895344).

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

12031376 is a wasteful number, since it uses less digits than its factorization.

12031376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192 (or 186 counting only the distinct ones).

The product of its (nonzero) digits is 756, while the sum is 23.

The square root of 12031376 is about 3468.6273942296. The cubic root of 12031376 is about 229.1422112673.

Adding to 12031376 its reverse (67313021), we get a palindrome (79344397).

The spelling of 12031376 in words is "twelve million, thirty-one thousand, three hundred seventy-six".