12317670 has 96 divisors (see below), whose sum is σ = 34358688. Its totient is φ = 3172608.

The previous prime is 12317647. The next prime is 12317693. The reversal of 12317670 is 7671321.

It is an interprime number because it is at equal distance from previous prime (12317647) and next prime (12317693).

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 89842 + ... + 89978.

It is an arithmetic number, because the mean of its divisors is an integer number (357903).

Almost surely, 2^12317670 is an apocalyptic number.

12317670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12317670 is the 2220-th heptagonal number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12317670, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17179344).

12317670 is an abundant number, since it is smaller than the sum of its proper divisors (22041018).

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

12317670 is a wasteful number, since it uses less digits than its factorization.

12317670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196 (or 184 counting only the distinct ones).

The product of its (nonzero) digits is 1764, while the sum is 27.

The square root of 12317670 is about 3509.6538290834. The cubic root of 12317670 is about 230.9455091576.

Adding to 12317670 its reverse (7671321), we get a palindrome (19988991).

The spelling of 12317670 in words is "twelve million, three hundred seventeen thousand, six hundred seventy".