12672771 has 8 divisors (see below), whose sum is σ = 16925520. Its totient is φ = 8434272.

The previous prime is 12672767. The next prime is 12672817. The reversal of 12672771 is 17727621.

It is a happy number.

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

It is not a de Polignac number, because 12672771 - 2² = 12672767 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12672721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1276 + ... + 5193.

It is an arithmetic number, because the mean of its divisors is an integer number (2115690).

Almost surely, 2^12672771 is an apocalyptic number.

12672771 is a deficient number, since it is larger than the sum of its proper divisors (4252749).

12672771 is an equidigital number, since it uses as much as digits as its factorization.

12672771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7125.

The product of its digits is 8232, while the sum is 33.

The square root of 12672771 is about 3559.8835655117. The cubic root of 12672771 is about 233.1437955123.

The spelling of 12672771 in words is "twelve million, six hundred seventy-two thousand, seven hundred seventy-one".