12172662 has 12 divisors (see below), whose sum is σ = 26374140. Its totient is φ = 4057548.

The previous prime is 12172661. The next prime is 12172691. The reversal of 12172662 is 26627121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12172661) 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, 338112 + ... + 338147.

It is an arithmetic number, because the mean of its divisors is an integer number (2197845).

Almost surely, 2^12172662 is an apocalyptic number.

12172662 is an abundant number, since it is smaller than the sum of its proper divisors (14201478).

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

12172662 is a wasteful number, since it uses less digits than its factorization.

12172662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 676267 (or 676264 counting only the distinct ones).

The product of its digits is 2016, while the sum is 27.

The square root of 12172662 is about 3488.9342212200. The cubic root of 12172662 is about 230.0356718459.

Adding to 12172662 its reverse (26627121), we get a palindrome (38799783).

The spelling of 12172662 in words is "twelve million, one hundred seventy-two thousand, six hundred sixty-two".