12317130 has 160 divisors (see below), whose sum is σ = 40334400. Its totient is φ = 2667168.

The previous prime is 12317119. The next prime is 12317153. The reversal of 12317130 is 3171321.

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 polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 648261 + ... + 648279.

It is an arithmetic number, because the mean of its divisors is an integer number (252090).

Almost surely, 2^12317130 is an apocalyptic number.

12317130 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 12317130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20167200).

12317130 is an abundant number, since it is smaller than the sum of its proper divisors (28017270).

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

12317130 is an equidigital number, since it uses as much as digits as its factorization.

12317130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63 (or 36 counting only the distinct ones).

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

The square root of 12317130 is about 3509.5768975761. The cubic root of 12317130 is about 230.9421342661.

Adding to 12317130 its reverse (3171321), we get a palindrome (15488451).

It can be divided in two parts, 123171 and 30, that added together give a square (123201 = 351²).

The spelling of 12317130 in words is "twelve million, three hundred seventeen thousand, one hundred thirty".