12840896 has 14 divisors (see below), whose sum is σ = 25481280. Its totient is φ = 6420416.

The previous prime is 12840871. The next prime is 12840911. The reversal of 12840896 is 69804821.

It is a super-2 number, since 2×12840896² = 329777220165632, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100256 + ... + 100383.

Almost surely, 2^12840896 is an apocalyptic number.

12840896 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12840896 is a deficient number, since it is larger than the sum of its proper divisors (12640384).

12840896 is an equidigital number, since it uses as much as digits as its factorization.

12840896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200651 (or 200641 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 38.

The square root of 12840896 is about 3583.4195958609. The cubic root of 12840896 is about 234.1702805187.

The spelling of 12840896 in words is "twelve million, eight hundred forty thousand, eight hundred ninety-six".