12680081 has 4 divisors (see below), whose sum is σ = 12744000. Its totient is φ = 12616164.

The previous prime is 12680077. The next prime is 12680117. The reversal of 12680081 is 18008621.

12680081 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12680081 - 2² = 12680077 is a prime.

It is a super-2 number, since 2×12680081² = 321568908333122, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12680081.

It is not an unprimeable number, because it can be changed into a prime (12680051) 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, 31661 + ... + 32058.

It is an arithmetic number, because the mean of its divisors is an integer number (3186000).

Almost surely, 2^12680081 is an apocalyptic number.

It is an amenable number.

12680081 is a deficient number, since it is larger than the sum of its proper divisors (63919).

12680081 is an equidigital number, since it uses as much as digits as its factorization.

12680081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63918.

The product of its (nonzero) digits is 768, while the sum is 26.

The square root of 12680081 is about 3560.9101364679. The cubic root of 12680081 is about 233.1886147960.

The spelling of 12680081 in words is "twelve million, six hundred eighty thousand, eighty-one".