12531301 has 2 divisors, whose sum is σ = 12531302. Its totient is φ = 12531300.

The previous prime is 12531283. The next prime is 12531307. The reversal of 12531301 is 10313521.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11088900 + 1442401 = 3330^2 + 1201^2 .

It is an emirp because it is prime and its reverse (10313521) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12531301 - 2¹⁵ = 12498533 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12531307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6265650 + 6265651.

It is an arithmetic number, because the mean of its divisors is an integer number (6265651).

Almost surely, 2^12531301 is an apocalyptic number.

It is an amenable number.

12531301 is a deficient number, since it is larger than the sum of its proper divisors (1).

12531301 is an equidigital number, since it uses as much as digits as its factorization.

12531301 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 90, while the sum is 16.

The square root of 12531301 is about 3539.9577681097. The cubic root of 12531301 is about 232.2729953752.

Adding to 12531301 its reverse (10313521), we get a palindrome (22844822).

The spelling of 12531301 in words is "twelve million, five hundred thirty-one thousand, three hundred one".