12485100 has 36 divisors (see below), whose sum is σ = 36124424. Its totient is φ = 3329280.

The previous prime is 12485063. The next prime is 12485141. The reversal of 12485100 is 158421.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 20509 + ... + 21108.

Almost surely, 2^12485100 is an apocalyptic number.

12485100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12485100 is an abundant number, since it is smaller than the sum of its proper divisors (23639324).

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

12485100 is a wasteful number, since it uses less digits than its factorization.

12485100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41634 (or 41627 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 21.

The square root of 12485100 is about 3533.4260994112. The cubic root of 12485100 is about 231.9871921189.

The spelling of 12485100 in words is "twelve million, four hundred eighty-five thousand, one hundred".