12317100 has 36 divisors (see below), whose sum is σ = 35638344. Its totient is φ = 3284480.

The previous prime is 12317099. The next prime is 12317101. The reversal of 12317100 is 171321.

It is an interprime number because it is at equal distance from previous prime (12317099) and next prime (12317101).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 12317100.

It is not an unprimeable number, because it can be changed into a prime (12317101) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20229 + ... + 20828.

It is an arithmetic number, because the mean of its divisors is an integer number (989954).

Almost surely, 2^12317100 is an apocalyptic number.

12317100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12317100 is an abundant number, since it is smaller than the sum of its proper divisors (23321244).

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

12317100 is a wasteful number, since it uses less digits than its factorization.

12317100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41074 (or 41067 counting only the distinct ones).

The product of its (nonzero) digits is 42, while the sum is 15.

The square root of 12317100 is about 3509.5726235540. The cubic root of 12317100 is about 230.9419467693.

Adding to 12317100 its reverse (171321), we get a palindrome (12488421).

The spelling of 12317100 in words is "twelve million, three hundred seventeen thousand, one hundred".