12487248 has 60 divisors (see below), whose sum is σ = 37009908. Its totient is φ = 3916800.

The previous prime is 12487217. The next prime is 12487253. The reversal of 12487248 is 84278421.

It can be written as a sum of positive squares in 2 ways, for example, as 3415104 + 9072144 = 1848^2 + 3012^2 .

It is a super-2 number, since 2×12487248² = 311862725227008, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

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 11 ways as a sum of consecutive naturals, for example, 103 + ... + 4998.

Almost surely, 2^12487248 is an apocalyptic number.

12487248 is a gapful number since it is divisible by the number (18) 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 12487248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18504954).

12487248 is an abundant number, since it is smaller than the sum of its proper divisors (24522660).

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

12487248 is a wasteful number, since it uses less digits than its factorization.

12487248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5132 (or 5123 counting only the distinct ones).

The product of its digits is 28672, while the sum is 36.

The square root of 12487248 is about 3533.7300406228. The cubic root of 12487248 is about 232.0004954409. Note that the first 3 decimals are identical.

The spelling of 12487248 in words is "twelve million, four hundred eighty-seven thousand, two hundred forty-eight".