12977169 has 8 divisors (see below), whose sum is σ = 17327520. Its totient is φ = 8639136.

The previous prime is 12977147. The next prime is 12977177. The reversal of 12977169 is 96177921.

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 12977169 - 2⁹ = 12976657 is a prime.

It is a super-2 number, since 2×12977169² = 336813830509122, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 12977169.

It is not an unprimeable number, because it can be changed into a prime (12977119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 247 + ... + 5100.

It is an arithmetic number, because the mean of its divisors is an integer number (2165940).

Almost surely, 2^12977169 is an apocalyptic number.

It is an amenable number.

12977169 is a deficient number, since it is larger than the sum of its proper divisors (4350351).

12977169 is an equidigital number, since it uses as much as digits as its factorization.

12977169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6159.

The product of its digits is 47628, while the sum is 42.

The square root of 12977169 is about 3602.3837941008. The cubic root of 12977169 is about 234.9957385677.

The spelling of 12977169 in words is "twelve million, nine hundred seventy-seven thousand, one hundred sixty-nine".