12988170 has 96 divisors (see below), whose sum is σ = 38565072. Its totient is φ = 3004416.

The previous prime is 12988159. The next prime is 12988207. The reversal of 12988170 is 7188921.

It can be written as a sum of positive squares in 8 ways, for example, as 3272481 + 9715689 = 1809^2 + 3117^2 .

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 19564 + ... + 20216.

Almost surely, 2^12988170 is an apocalyptic number.

12988170 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12988170, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19282536).

12988170 is an abundant number, since it is smaller than the sum of its proper divisors (25576902).

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

12988170 is a wasteful number, since it uses less digits than its factorization.

12988170 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 696 (or 693 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 36.

The square root of 12988170 is about 3603.9103762441. The cubic root of 12988170 is about 235.0621233074.

The spelling of 12988170 in words is "twelve million, nine hundred eighty-eight thousand, one hundred seventy".