12818450 has 12 divisors (see below), whose sum is σ = 23842410. Its totient is φ = 5127360.

The previous prime is 12818447. The next prime is 12818471. The reversal of 12818450 is 5481821.

It can be written as a sum of positive squares in 3 ways, for example, as 10764961 + 2053489 = 3281^2 + 1433^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 128135 + ... + 128234.

Almost surely, 2^12818450 is an apocalyptic number.

12818450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12818450 is a deficient number, since it is larger than the sum of its proper divisors (11023960).

12818450 is a wasteful number, since it uses less digits than its factorization.

12818450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256381 (or 256376 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 29.

The square root of 12818450 is about 3580.2863014010. The cubic root of 12818450 is about 234.0337570312.

The spelling of 12818450 in words is "twelve million, eight hundred eighteen thousand, four hundred fifty".