12471552 has 54 divisors (see below), whose sum is σ = 35965202. Its totient is φ = 4156416.

The previous prime is 12471533. The next prime is 12471559. The reversal of 12471552 is 25517421.

It can be written as a sum of positive squares in only one way, i.e., 9144576 + 3326976 = 3024^2 + 1824^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12471559) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 403 + ... + 5010.

Almost surely, 2^12471552 is an apocalyptic number.

12471552 is a gapful number since it is divisible by the number (12) 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 12471552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17982601).

12471552 is an abundant number, since it is smaller than the sum of its proper divisors (23493650).

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

12471552 is an equidigital number, since it uses as much as digits as its factorization.

12471552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5435 (or 5418 counting only the distinct ones).

The product of its digits is 2800, while the sum is 27.

The square root of 12471552 is about 3531.5084595680. The cubic root of 12471552 is about 231.9032493923.

Adding to 12471552 its reverse (25517421), we get a palindrome (37988973).

The spelling of 12471552 in words is "twelve million, four hundred seventy-one thousand, five hundred fifty-two".