12471447 has 8 divisors (see below), whose sum is σ = 16877056. Its totient is φ = 8190072.

The previous prime is 12471427. The next prime is 12471457. The reversal of 12471447 is 74417421.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12471447 - 2⁸ = 12471191 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12471427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30823 + ... + 31224.

It is an arithmetic number, because the mean of its divisors is an integer number (2109632).

Almost surely, 2^12471447 is an apocalyptic number.

12471447 is a deficient number, since it is larger than the sum of its proper divisors (4405609).

12471447 is an equidigital number, since it uses as much as digits as its factorization.

12471447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62117.

The product of its digits is 6272, while the sum is 30.

The square root of 12471447 is about 3531.4935933681. The cubic root of 12471447 is about 231.9025985802.

Adding to 12471447 its reverse (74417421), we get a palindrome (86888868).

The spelling of 12471447 in words is "twelve million, four hundred seventy-one thousand, four hundred forty-seven".