12471536 has 80 divisors (see below), whose sum is σ = 30855168. Its totient is φ = 4742400.

The previous prime is 12471533. The next prime is 12471559. The reversal of 12471536 is 63517421.

It is a junction number, because it is equal to n+sod(n) for n = 12471499 and 12471508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12471533) 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, 65201 + ... + 65391.

Almost surely, 2^12471536 is an apocalyptic number.

12471536 is a gapful number since it is divisible by the number (16) 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 12471536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15427584).

12471536 is an abundant number, since it is smaller than the sum of its proper divisors (18383632).

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

12471536 is a wasteful number, since it uses less digits than its factorization.

12471536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270 (or 264 counting only the distinct ones).

The product of its digits is 5040, while the sum is 29.

The square root of 12471536 is about 3531.5061942463. The cubic root of 12471536 is about 231.9031502212.

Adding to 12471536 its reverse (63517421), we get a palindrome (75988957).

The spelling of 12471536 in words is "twelve million, four hundred seventy-one thousand, five hundred thirty-six".