12471205 has 4 divisors (see below), whose sum is σ = 14965452. Its totient is φ = 9976960.

The previous prime is 12471203. The next prime is 12471209. The reversal of 12471205 is 50217421.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 50217421 = 43 ⋅1167847.

It can be written as a sum of positive squares in 2 ways, for example, as 2842596 + 9628609 = 1686^2 + 3103^2 .

It is not a de Polignac number, because 12471205 - 2¹ = 12471203 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 (12471203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1247116 + ... + 1247125.

It is an arithmetic number, because the mean of its divisors is an integer number (3741363).

Almost surely, 2^12471205 is an apocalyptic number.

It is an amenable number.

12471205 is a deficient number, since it is larger than the sum of its proper divisors (2494247).

12471205 is an equidigital number, since it uses as much as digits as its factorization.

12471205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2494246.

The product of its (nonzero) digits is 560, while the sum is 22.

The square root of 12471205 is about 3531.4593300787. The cubic root of 12471205 is about 231.9010985995.

Adding to 12471205 its reverse (50217421), we get a palindrome (62688626).

The spelling of 12471205 in words is "twelve million, four hundred seventy-one thousand, two hundred five".