12485691 has 16 divisors (see below), whose sum is σ = 18892800. Its totient is φ = 8145864.

The previous prime is 12485659. The next prime is 12485699. The reversal of 12485691 is 19658421.

It is not a de Polignac number, because 12485691 - 2⁵ = 12485659 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12485699) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3651 + ... + 6188.

It is an arithmetic number, because the mean of its divisors is an integer number (1180800).

Almost surely, 2^12485691 is an apocalyptic number.

12485691 is a deficient number, since it is larger than the sum of its proper divisors (6407109).

12485691 is an equidigital number, since it uses as much as digits as its factorization.

12485691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9895 (or 9889 counting only the distinct ones).

The product of its digits is 17280, while the sum is 36.

The square root of 12485691 is about 3533.5097283013. The cubic root of 12485691 is about 231.9908525426.

The spelling of 12485691 in words is "twelve million, four hundred eighty-five thousand, six hundred ninety-one".