12471245 has 8 divisors (see below), whose sum is σ = 15098616. Its totient is φ = 9888256.

The previous prime is 12471233. The next prime is 12471281. The reversal of 12471245 is 54217421.

It can be written as a sum of positive squares in 4 ways, for example, as 1094116 + 11377129 = 1046^2 + 3373^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 12471245 - 2⁴ = 12471229 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10472 + ... + 11601.

It is an arithmetic number, because the mean of its divisors is an integer number (1887327).

Almost surely, 2^12471245 is an apocalyptic number.

It is an amenable number.

12471245 is a deficient number, since it is larger than the sum of its proper divisors (2627371).

12471245 is a wasteful number, since it uses less digits than its factorization.

12471245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22191.

The product of its digits is 2240, while the sum is 26.

The square root of 12471245 is about 3531.4649934553. The cubic root of 12471245 is about 231.9013465315.

Adding to 12471245 its reverse (54217421), we get a palindrome (66688666).

The spelling of 12471245 in words is "twelve million, four hundred seventy-one thousand, two hundred forty-five".