12811170 has 16 divisors (see below), whose sum is σ = 30746880. Its totient is φ = 3416304.

The previous prime is 12811163. The next prime is 12811177. The reversal of 12811170 is 7111821.

It is an interprime number because it is at equal distance from previous prime (12811163) and next prime (12811177).

It is not an unprimeable number, because it can be changed into a prime (12811177) 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 7 ways as a sum of consecutive naturals, for example, 213490 + ... + 213549.

It is an arithmetic number, because the mean of its divisors is an integer number (1921680).

Almost surely, 2^12811170 is an apocalyptic number.

12811170 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12811170 is an abundant number, since it is smaller than the sum of its proper divisors (17935710).

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

12811170 is a wasteful number, since it uses less digits than its factorization.

12811170 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 427049.

The product of its (nonzero) digits is 112, while the sum is 21.

The square root of 12811170 is about 3579.2694785389. The cubic root of 12811170 is about 233.9894436030.

Adding to 12811170 its reverse (7111821), we get a palindrome (19922991).

The spelling of 12811170 in words is "twelve million, eight hundred eleven thousand, one hundred seventy".