12681084 has 60 divisors (see below), whose sum is σ = 32921224. Its totient is φ = 3796416.

The previous prime is 12681079. The next prime is 12681089. The reversal of 12681084 is 48018621.

It is an interprime number because it is at equal distance from previous prime (12681079) and next prime (12681089).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12681089) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 342714 + ... + 342750.

Almost surely, 2^12681084 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12681084, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16460612).

12681084 is an abundant number, since it is smaller than the sum of its proper divisors (20240140).

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

12681084 is an equidigital number, since it uses as much as digits as its factorization.

12681084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96 (or 55 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 30.

The square root of 12681084 is about 3561.0509684642. The cubic root of 12681084 is about 233.1947630747.

The spelling of 12681084 in words is "twelve million, six hundred eighty-one thousand, eighty-four".