12582891 has 8 divisors (see below), whose sum is σ = 18641360. Its totient is φ = 8388576.

The previous prime is 12582853. The next prime is 12582893. The reversal of 12582891 is 19828521.

It is not a de Polignac number, because 12582891 - 2¹³ = 12574699 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12582893) 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, 232990 + ... + 233043.

It is an arithmetic number, because the mean of its divisors is an integer number (2330170).

Almost surely, 2^12582891 is an apocalyptic number.

12582891 is a deficient number, since it is larger than the sum of its proper divisors (6058469).

12582891 is an equidigital number, since it uses as much as digits as its factorization.

12582891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 466042 (or 466036 counting only the distinct ones).

The product of its digits is 11520, while the sum is 36.

The square root of 12582891 is about 3547.2370938521. The cubic root of 12582891 is about 232.5913064895.

The spelling of 12582891 in words is "twelve million, five hundred eighty-two thousand, eight hundred ninety-one".