12139182 has 48 divisors (see below), whose sum is σ = 29485872. Its totient is φ = 3576960.

The previous prime is 12139181. The next prime is 12139187. The reversal of 12139182 is 28193121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12139181) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6498 + ... + 8154.

It is an arithmetic number, because the mean of its divisors is an integer number (614289).

Almost surely, 2^12139182 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12139182, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14742936).

12139182 is an abundant number, since it is smaller than the sum of its proper divisors (17346690).

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

12139182 is a wasteful number, since it uses less digits than its factorization.

12139182 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1713 (or 1710 counting only the distinct ones).

The product of its digits is 864, while the sum is 27.

The square root of 12139182 is about 3484.1328906917. The cubic root of 12139182 is about 229.8245795368.

It can be divided in two parts, 12139 and 182, that added together give a palindrome (12321).

The spelling of 12139182 in words is "twelve million, one hundred thirty-nine thousand, one hundred eighty-two".