12715249 has 2 divisors, whose sum is σ = 12715250. Its totient is φ = 12715248.

The previous prime is 12715211. The next prime is 12715259. The reversal of 12715249 is 94251721.

12715249 = T₂₉₁₀ + T₂₉₁₁ + T₂₉₁₂.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12496225 + 219024 = 3535^2 + 468^2 .

It is a cyclic number.

It is not a de Polignac number, because 12715249 - 2¹¹ = 12713201 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12715249.

It is not a weakly prime, because it can be changed into another prime (12715259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6357624 + 6357625.

It is an arithmetic number, because the mean of its divisors is an integer number (6357625).

Almost surely, 2^12715249 is an apocalyptic number.

12715249 is the 2912-nd centered triangular number.

It is an amenable number.

12715249 is a deficient number, since it is larger than the sum of its proper divisors (1).

12715249 is an equidigital number, since it uses as much as digits as its factorization.

12715249 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5040, while the sum is 31.

The square root of 12715249 is about 3565.8447806936. The cubic root of 12715249 is about 233.4039974184.

It can be divided in two parts, 127 and 15249, that added together give a square (15376 = 124²).

The spelling of 12715249 in words is "twelve million, seven hundred fifteen thousand, two hundred forty-nine".