12485660 has 96 divisors (see below), whose sum is σ = 31449600. Its totient is φ = 4112640.

The previous prime is 12485659. The next prime is 12485699. The reversal of 12485660 is 6658421.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 121169 + ... + 121271.

It is an arithmetic number, because the mean of its divisors is an integer number (327600).

Almost surely, 2^12485660 is an apocalyptic number.

12485660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12485660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15724800).

12485660 is an abundant number, since it is smaller than the sum of its proper divisors (18963940).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12485660 is a wasteful number, since it uses less digits than its factorization.

12485660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171 (or 169 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 12485660 is about 3533.5053417251. The cubic root of 12485660 is about 231.9906605436.

The spelling of 12485660 in words is "twelve million, four hundred eighty-five thousand, six hundred sixty".