12318030 has 96 divisors (see below), whose sum is σ = 34673184. Its totient is φ = 3022848.

The previous prime is 12317993. The next prime is 12318043. The reversal of 12318030 is 3081321.

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

It is a junction number, because it is equal to n+sod(n) for n = 12317994 and 12318012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 126942 + ... + 127038.

It is an arithmetic number, because the mean of its divisors is an integer number (361179).

Almost surely, 2^12318030 is an apocalyptic number.

12318030 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 12318030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17336592).

12318030 is an abundant number, since it is smaller than the sum of its proper divisors (22355154).

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

12318030 is a wasteful number, since it uses less digits than its factorization.

12318030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210 (or 207 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 12318030 is about 3509.7051158181. The cubic root of 12318030 is about 230.9477590304.

Adding to 12318030 its reverse (3081321), we get a palindrome (15399351).

It can be divided in two parts, 1231 and 8030, that added together give a cube (9261 = 21³).

The spelling of 12318030 in words is "twelve million, three hundred eighteen thousand, thirty".