12582909 has 24 divisors (see below), whose sum is σ = 19206720. Its totient is φ = 7922112.

The previous prime is 12582893. The next prime is 12582917. The reversal of 12582909 is 90928521.

12582909 is nontrivially palindromic in base 2 and base 8.

12582909 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12582909 - 2⁴ = 12582893 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12582919) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18082 + ... + 18764.

It is an arithmetic number, because the mean of its divisors is an integer number (800280).

Almost surely, 2^12582909 is an apocalyptic number.

It is an amenable number.

12582909 is a deficient number, since it is larger than the sum of its proper divisors (6623811).

12582909 is a wasteful number, since it uses less digits than its factorization.

12582909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 801 (or 798 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 36.

The square root of 12582909 is about 3547.2396310371. The cubic root of 12582909 is about 232.5914173978.

The spelling of 12582909 in words is "twelve million, five hundred eighty-two thousand, nine hundred nine".