12684080 has 20 divisors (see below), whose sum is σ = 29490672. Its totient is φ = 5073600.

The previous prime is 12684073. The next prime is 12684083. The reversal of 12684080 is 8048621.

It is a tau number, because it is divible by the number of its divisors (20).

It is not an unprimeable number, because it can be changed into a prime (12684083) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79196 + ... + 79355.

Almost surely, 2^12684080 is an apocalyptic number.

12684080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12684080 is an abundant number, since it is smaller than the sum of its proper divisors (16806592).

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

12684080 is a wasteful number, since it uses less digits than its factorization.

12684080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158564 (or 158558 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 29.

The square root of 12684080 is about 3561.4716059517. The cubic root of 12684080 is about 233.2131262918.

The spelling of 12684080 in words is "twelve million, six hundred eighty-four thousand, eighty".