12571313 has 8 divisors (see below), whose sum is σ = 13352040. Its totient is φ = 11795200.

The previous prime is 12571309. The next prime is 12571319. The reversal of 12571313 is 31317521.

12571313 is nontrivially palindromic in base 11.

It can be written as a sum of positive squares in 4 ways, for example, as 300304 + 12271009 = 548^2 + 3503^2 .

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 12571313 - 2² = 12571309 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12571319) 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, 5663 + ... + 7563.

It is an arithmetic number, because the mean of its divisors is an integer number (1669005).

Almost surely, 2^12571313 is an apocalyptic number.

It is an amenable number.

12571313 is a deficient number, since it is larger than the sum of its proper divisors (780727).

12571313 is a wasteful number, since it uses less digits than its factorization.

12571313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2307.

The product of its digits is 630, while the sum is 23.

The square root of 12571313 is about 3545.6047439048. The cubic root of 12571313 is about 232.5199458743.

Adding to 12571313 its reverse (31317521), we get a palindrome (43888834).

The spelling of 12571313 in words is "twelve million, five hundred seventy-one thousand, three hundred thirteen".