12170868 has 24 divisors (see below), whose sum is σ = 29893920. Its totient is φ = 3843360.

The previous prime is 12170863. The next prime is 12170869. The reversal of 12170868 is 86807121.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12170863) 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, 26463 + ... + 26918.

It is an arithmetic number, because the mean of its divisors is an integer number (1245580).

Almost surely, 2^12170868 is an apocalyptic number.

It is an amenable number.

12170868 is an abundant number, since it is smaller than the sum of its proper divisors (17723052).

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

12170868 is a wasteful number, since it uses less digits than its factorization.

12170868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53407 (or 53405 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 33.

The square root of 12170868 is about 3488.6771131763. The cubic root of 12170868 is about 230.0243704485.

Adding to 12170868 its reverse (86807121), we get a palindrome (98977989).

The spelling of 12170868 in words is "twelve million, one hundred seventy thousand, eight hundred sixty-eight".