12313170 has 24 divisors (see below), whose sum is σ = 32014476. Its totient is φ = 3283488.

The previous prime is 12313157. The next prime is 12313181. The reversal of 12313170 is 7131321.

It can be written as a sum of positive squares in 2 ways, for example, as 12257001 + 56169 = 3501^2 + 237^2 .

It is a super-2 number, since 2×12313170² = 303228310897800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 68317 + ... + 68496.

Almost surely, 2^12313170 is an apocalyptic number.

12313170 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12313170 is an abundant number, since it is smaller than the sum of its proper divisors (19701306).

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

12313170 is a wasteful number, since it uses less digits than its factorization.

12313170 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136826 (or 136823 counting only the distinct ones).

The product of its (nonzero) digits is 126, while the sum is 18.

The square root of 12313170 is about 3509.0126816528. The cubic root of 12313170 is about 230.9173820477.

Adding to 12313170 its reverse (7131321), we get a palindrome (19444491).

It can be divided in two parts, 123131 and 70, that added together give a square (123201 = 351²).

The spelling of 12313170 in words is "twelve million, three hundred thirteen thousand, one hundred seventy".