12725985 has 8 divisors (see below), whose sum is σ = 20361600. Its totient is φ = 6787184.

The previous prime is 12725971. The next prime is 12725987. The reversal of 12725985 is 58952721.

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 12725985 - 2⁷ = 12725857 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12725987) 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, 424185 + ... + 424214.

It is an arithmetic number, because the mean of its divisors is an integer number (2545200).

Almost surely, 2^12725985 is an apocalyptic number.

12725985 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12725985 is a deficient number, since it is larger than the sum of its proper divisors (7635615).

12725985 is an equidigital number, since it uses as much as digits as its factorization.

12725985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 848407.

The product of its digits is 50400, while the sum is 39.

The square root of 12725985 is about 3567.3498566863. The cubic root of 12725985 is about 233.4696697564.

The spelling of 12725985 in words is "twelve million, seven hundred twenty-five thousand, nine hundred eighty-five".