12884450 has 12 divisors (see below), whose sum is σ = 23965170. Its totient is φ = 5153760.

The previous prime is 12884449. The next prime is 12884461. The reversal of 12884450 is 5448821.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 11015761 + 1868689 = 3319^2 + 1367^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 128795 + ... + 128894.

Almost surely, 2^12884450 is an apocalyptic number.

12884450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12884450 is a deficient number, since it is larger than the sum of its proper divisors (11080720).

12884450 is a wasteful number, since it uses less digits than its factorization.

12884450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257701 (or 257696 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 32.

The square root of 12884450 is about 3589.4916074564. The cubic root of 12884450 is about 234.4347361809.

The spelling of 12884450 in words is "twelve million, eight hundred eighty-four thousand, four hundred fifty".