12371166 has 48 divisors (see below), whose sum is σ = 28725840. Its totient is φ = 3836160.

The previous prime is 12371153. The next prime is 12371213. The reversal of 12371166 is 66117321.

It is a congruent number.

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, 20566 + ... + 21158.

It is an arithmetic number, because the mean of its divisors is an integer number (598455).

Almost surely, 2^12371166 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12371166, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14362920).

12371166 is an abundant number, since it is smaller than the sum of its proper divisors (16354674).

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

12371166 is a wasteful number, since it uses less digits than its factorization.

12371166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 681 (or 678 counting only the distinct ones).

The product of its digits is 1512, while the sum is 27.

The square root of 12371166 is about 3517.2668366219. The cubic root of 12371166 is about 231.2793606743.

Adding to 12371166 its reverse (66117321), we get a palindrome (78488487).

It can be divided in two parts, 123 and 71166, that added together give a square (71289 = 267²).

The spelling of 12371166 in words is "twelve million, three hundred seventy-one thousand, one hundred sixty-six".