12560539 has 8 divisors (see below), whose sum is σ = 13409280. Its totient is φ = 11730600.

The previous prime is 12560533. The next prime is 12560543. The reversal of 12560539 is 93506521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12560539 - 2⁹ = 12560027 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12560539.

It is not an unprimeable number, because it can be changed into a prime (12560533) 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, 3307 + ... + 6004.

It is an arithmetic number, because the mean of its divisors is an integer number (1676160).

Almost surely, 2^12560539 is an apocalyptic number.

12560539 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

12560539 is a deficient number, since it is larger than the sum of its proper divisors (848741).

12560539 is an equidigital number, since it uses as much as digits as its factorization.

12560539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9401.

The product of its (nonzero) digits is 8100, while the sum is 31.

The square root of 12560539 is about 3544.0850723424. The cubic root of 12560539 is about 232.4535013189.

The spelling of 12560539 in words is "twelve million, five hundred sixty thousand, five hundred thirty-nine".