12560249 has 8 divisors (see below), whose sum is σ = 13608840. Its totient is φ = 11592048.

The previous prime is 12560221. The next prime is 12560267. The reversal of 12560249 is 94206521.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 3367225 + 9193024 = 1835^2 + 3032^2 .

It is not a de Polignac number, because 12560249 - 2¹² = 12556153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12560209) 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 in 7 ways as a sum of consecutive naturals, for example, 662 + ... + 5055.

It is an arithmetic number, because the mean of its divisors is an integer number (1701105).

Almost surely, 2^12560249 is an apocalyptic number.

It is an amenable number.

12560249 is a deficient number, since it is larger than the sum of its proper divisors (1048591).

12560249 is an frugal number, since it uses more digits than its factorization.

12560249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5756 (or 5730 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 12560249 is about 3544.0441588671. The cubic root of 12560249 is about 232.4517123290.

The spelling of 12560249 in words is "twelve million, five hundred sixty thousand, two hundred forty-nine".