12317730 has 64 divisors (see below), whose sum is σ = 30855168. Its totient is φ = 3144960.

The previous prime is 12317729. The next prime is 12317743. The reversal of 12317730 is 3771321.

It is a self number, because there is not a number n which added to its sum of digits gives 12317730.

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 31 ways as a sum of consecutive naturals, for example, 96927 + ... + 97053.

It is an arithmetic number, because the mean of its divisors is an integer number (482112).

Almost surely, 2^12317730 is an apocalyptic number.

12317730 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 12317730, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15427584).

12317730 is an abundant number, since it is smaller than the sum of its proper divisors (18537438).

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

12317730 is a wasteful number, since it uses less digits than its factorization.

12317730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251.

The product of its (nonzero) digits is 882, while the sum is 24.

The square root of 12317730 is about 3509.6623769246. The cubic root of 12317730 is about 230.9458841394.

The spelling of 12317730 in words is "twelve million, three hundred seventeen thousand, seven hundred thirty".