12818190 has 128 divisors (see below), whose sum is σ = 39813120. Its totient is φ = 2563200.

The previous prime is 12818189. The next prime is 12818191. The reversal of 12818190 is 9181821.

12818190 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12818189) and next prime (12818191).

It is a super-2 number, since 2×12818190² = 328611989752200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12818191) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 71521 + ... + 71699.

It is an arithmetic number, because the mean of its divisors is an integer number (311040).

Almost surely, 2^12818190 is an apocalyptic number.

12818190 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 12818190, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19906560).

12818190 is an abundant number, since it is smaller than the sum of its proper divisors (26994930).

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

12818190 is a wasteful number, since it uses less digits than its factorization.

12818190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238.

The product of its (nonzero) digits is 1152, while the sum is 30.

The square root of 12818190 is about 3580.2499912716. The cubic root of 12818190 is about 234.0321746977.

It can be divided in two parts, 128181 and 90, that added together give a triangular number (128271 = T₅₀₆).

The spelling of 12818190 in words is "twelve million, eight hundred eighteen thousand, one hundred ninety".