12918850 has 36 divisors (see below), whose sum is σ = 27957474. Its totient is φ = 4428480.

The previous prime is 12918839. The next prime is 12918853. The reversal of 12918850 is 5881921.

It can be written as a sum of positive squares in 3 ways, for example, as 9529569 + 3389281 = 3087^2 + 1841^2 .

It is not an unprimeable number, because it can be changed into a prime (12918853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 187 + ... + 5086.

Almost surely, 2^12918850 is an apocalyptic number.

12918850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12918850 is an abundant number, since it is smaller than the sum of its proper divisors (15038624).

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

12918850 is a wasteful number, since it uses less digits than its factorization.

12918850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5299 (or 5287 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 34.

The square root of 12918850 is about 3594.2801782833. The cubic root of 12918850 is about 234.6431887059.

The spelling of 12918850 in words is "twelve million, nine hundred eighteen thousand, eight hundred fifty".