12471136 has 12 divisors (see below), whose sum is σ = 24552612. Its totient is φ = 6235552.

The previous prime is 12471133. The next prime is 12471139. The reversal of 12471136 is 63117421.

12471136 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12471133) and next prime (12471139).

It is a self number, because there is not a number n which added to its sum of digits gives 12471136.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12471133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 194830 + ... + 194893.

It is an arithmetic number, because the mean of its divisors is an integer number (2046051).

Almost surely, 2^12471136 is an apocalyptic number.

12471136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12471136 is a deficient number, since it is larger than the sum of its proper divisors (12081476).

12471136 is an equidigital number, since it uses as much as digits as its factorization.

12471136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 389733 (or 389725 counting only the distinct ones).

The product of its digits is 1008, while the sum is 25.

The square root of 12471136 is about 3531.4495607328. The cubic root of 12471136 is about 231.9006709154.

Adding to 12471136 its reverse (63117421), we get a palindrome (75588557).

The spelling of 12471136 in words is "twelve million, four hundred seventy-one thousand, one hundred thirty-six".