12487512 has 16 divisors (see below), whose sum is σ = 31218840. Its totient is φ = 4162496.

The previous prime is 12487507. The next prime is 12487523. The reversal of 12487512 is 21578421.

It is a self number, because there is not a number n which added to its sum of digits gives 12487512.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 260133 + ... + 260180.

Almost surely, 2^12487512 is an apocalyptic number.

12487512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12487512 is an abundant number, since it is smaller than the sum of its proper divisors (18731328).

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

12487512 is a wasteful number, since it uses less digits than its factorization.

12487512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 520322 (or 520318 counting only the distinct ones).

The product of its digits is 4480, while the sum is 30.

The square root of 12487512 is about 3533.7673947220. The cubic root of 12487512 is about 232.0021303808.

Subtracting 12487512 from its reverse (21578421), we obtain a palindrome (9090909).

The spelling of 12487512 in words is "twelve million, four hundred eighty-seven thousand, five hundred twelve".