12772165 has 8 divisors (see below), whose sum is σ = 17516160. Its totient is φ = 8758032.

The previous prime is 12772159. The next prime is 12772169. The reversal of 12772165 is 56127721.

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 12772165 - 2⁹ = 12771653 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12772169) 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, 182425 + ... + 182494.

It is an arithmetic number, because the mean of its divisors is an integer number (2189520).

Almost surely, 2^12772165 is an apocalyptic number.

It is an amenable number.

12772165 is a deficient number, since it is larger than the sum of its proper divisors (4743995).

12772165 is an equidigital number, since it uses as much as digits as its factorization.

12772165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 364931.

The product of its digits is 5880, while the sum is 31.

The square root of 12772165 is about 3573.8165873475. The cubic root of 12772165 is about 233.7517334272.

Adding to 12772165 its reverse (56127721), we get a palindrome (68899886).

The spelling of 12772165 in words is "twelve million, seven hundred seventy-two thousand, one hundred sixty-five".