12572137 has 2 divisors, whose sum is σ = 12572138. Its totient is φ = 12572136.

The previous prime is 12572123. The next prime is 12572141. The reversal of 12572137 is 73127521.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7054336 + 5517801 = 2656^2 + 2349^2 .

It is a cyclic number.

It is not a de Polignac number, because 12572137 - 2¹⁵ = 12539369 is a prime.

It is not a weakly prime, because it can be changed into another prime (12572437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6286068 + 6286069.

It is an arithmetic number, because the mean of its divisors is an integer number (6286069).

Almost surely, 2^12572137 is an apocalyptic number.

It is an amenable number.

12572137 is a deficient number, since it is larger than the sum of its proper divisors (1).

12572137 is an equidigital number, since it uses as much as digits as its factorization.

12572137 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2940, while the sum is 28.

The square root of 12572137 is about 3545.7209422063. The cubic root of 12572137 is about 232.5250260185.

Adding to 12572137 its reverse (73127521), we get a palindrome (85699658).

The spelling of 12572137 in words is "twelve million, five hundred seventy-two thousand, one hundred thirty-seven".