12684336 has 60 divisors (see below), whose sum is σ = 38124792. Its totient is φ = 3623424.

The previous prime is 12684323. The next prime is 12684359. The reversal of 12684336 is 63348621.

12684336 = T₄₅₉ + T₄₆₀ + ... + T₅₅₆.

It is a nude number because it is divisible by every one of its digits.

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 12684297 and 12684306.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 345 + ... + 5048.

Almost surely, 2^12684336 is an apocalyptic number.

12684336 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12684336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19062396).

12684336 is an abundant number, since it is smaller than the sum of its proper divisors (25440456).

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

12684336 is a wasteful number, since it uses less digits than its factorization.

12684336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5418 (or 5405 counting only the distinct ones).

The product of its digits is 20736, while the sum is 33.

The square root of 12684336 is about 3561.5075459698. The cubic root of 12684336 is about 233.2146952444.

The spelling of 12684336 in words is "twelve million, six hundred eighty-four thousand, three hundred thirty-six".