12677985 has 16 divisors (see below), whose sum is σ = 22538880. Its totient is φ = 6761520.

The previous prime is 12677957. The next prime is 12677989. The reversal of 12677985 is 58977621.

It is not a de Polignac number, because 12677985 - 2⁵ = 12677953 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 12677985.

It is not an unprimeable number, because it can be changed into a prime (12677989) 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 15 ways as a sum of consecutive naturals, for example, 46821 + ... + 47090.

It is an arithmetic number, because the mean of its divisors is an integer number (1408680).

Almost surely, 2^12677985 is an apocalyptic number.

12677985 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12677985 is a deficient number, since it is larger than the sum of its proper divisors (9860895).

12677985 is an equidigital number, since it uses as much as digits as its factorization.

12677985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93925 (or 93919 counting only the distinct ones).

The product of its digits is 211680, while the sum is 45.

The square root of 12677985 is about 3560.6158175237. The cubic root of 12677985 is about 233.1757655019.

The spelling of 12677985 in words is "twelve million, six hundred seventy-seven thousand, nine hundred eighty-five".