12582709 has 4 divisors (see below), whose sum is σ = 12630816. Its totient is φ = 12534604.

The previous prime is 12582707. The next prime is 12582721. The reversal of 12582709 is 90728521.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 90728521 = 13 ⋅6979117.

It is a cyclic number.

It is not a de Polignac number, because 12582709 - 2¹ = 12582707 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12582707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23659 + ... + 24184.

It is an arithmetic number, because the mean of its divisors is an integer number (3157704).

Almost surely, 2^12582709 is an apocalyptic number.

It is an amenable number.

12582709 is a deficient number, since it is larger than the sum of its proper divisors (48107).

12582709 is an equidigital number, since it uses as much as digits as its factorization.

12582709 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48106.

The product of its (nonzero) digits is 10080, while the sum is 34.

The square root of 12582709 is about 3547.2114399906. The cubic root of 12582709 is about 232.5901850773.

The spelling of 12582709 in words is "twelve million, five hundred eighty-two thousand, seven hundred nine".