12672865 has 8 divisors (see below), whose sum is σ = 15247080. Its totient is φ = 10111872.

The previous prime is 12672857. The next prime is 12672889. The reversal of 12672865 is 56827621.

It is a happy number.

12672865 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 3038049 + 9634816 = 1743^2 + 3104^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12672865 - 2³ = 12672857 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1054 + ... + 5143.

It is an arithmetic number, because the mean of its divisors is an integer number (1905885).

Almost surely, 2^12672865 is an apocalyptic number.

It is an amenable number.

12672865 is a deficient number, since it is larger than the sum of its proper divisors (2574215).

12672865 is an equidigital number, since it uses as much as digits as its factorization.

12672865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6611.

The product of its digits is 40320, while the sum is 37.

The square root of 12672865 is about 3559.8967681662. The cubic root of 12672865 is about 233.1443719572.

The spelling of 12672865 in words is "twelve million, six hundred seventy-two thousand, eight hundred sixty-five".