12389382 has 16 divisors (see below), whose sum is σ = 27532080. Its totient is φ = 4129776.

The previous prime is 12389371. The next prime is 12389383. The reversal of 12389382 is 28398321.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12389383) 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, 114663 + ... + 114770.

It is an arithmetic number, because the mean of its divisors is an integer number (1720755).

Almost surely, 2^12389382 is an apocalyptic number.

12389382 is an abundant number, since it is smaller than the sum of its proper divisors (15142698).

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

12389382 is a wasteful number, since it uses less digits than its factorization.

12389382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229444 (or 229438 counting only the distinct ones).

The product of its digits is 20736, while the sum is 36.

The square root of 12389382 is about 3519.8553947570. The cubic root of 12389382 is about 231.3928212463.

The spelling of 12389382 in words is "twelve million, three hundred eighty-nine thousand, three hundred eighty-two".