12170088 has 80 divisors (see below), whose sum is σ = 38971680. Its totient is φ = 3475872.

The previous prime is 12170083. The next prime is 12170099. The reversal of 12170088 is 88007121.

It is a super-2 number, since 2×12170088² = 296222083855488, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (12170083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3195 + ... + 5877.

It is an arithmetic number, because the mean of its divisors is an integer number (487146).

Almost surely, 2^12170088 is an apocalyptic number.

12170088 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12170088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19485840).

12170088 is an abundant number, since it is smaller than the sum of its proper divisors (26801592).

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

12170088 is a wasteful number, since it uses less digits than its factorization.

12170088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2708 (or 2695 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 27.

The square root of 12170088 is about 3488.5653211600. The cubic root of 12170088 is about 230.0194564511.

The spelling of 12170088 in words is "twelve million, one hundred seventy thousand, eighty-eight".