12818898 has 40 divisors (see below), whose sum is σ = 29285388. Its totient is φ = 4189536.

The previous prime is 12818887. The next prime is 12818929. The reversal of 12818898 is 89881821.

12818898 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 11512449 + 1306449 = 3393^2 + 1143^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 7840 + ... + 9332.

Almost surely, 2^12818898 is an apocalyptic number.

12818898 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12818898, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14642694).

12818898 is an abundant number, since it is smaller than the sum of its proper divisors (16466490).

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

12818898 is a wasteful number, since it uses less digits than its factorization.

12818898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1560 (or 1551 counting only the distinct ones).

The product of its digits is 73728, while the sum is 45.

The square root of 12818898 is about 3580.3488656833. The cubic root of 12818898 is about 234.0364834634.

The spelling of 12818898 in words is "twelve million, eight hundred eighteen thousand, eight hundred ninety-eight".