12641584 has 10 divisors (see below), whose sum is σ = 24493100. Its totient is φ = 6320784.

The previous prime is 12641567. The next prime is 12641609. The reversal of 12641584 is 48514621.

12641584 is a modest number, since divided by 1584 gives 1264 as remainder.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 395034 + ... + 395065.

It is an arithmetic number, because the mean of its divisors is an integer number (2449310).

Almost surely, 2^12641584 is an apocalyptic number.

It is an amenable number.

12641584 is a deficient number, since it is larger than the sum of its proper divisors (11851516).

12641584 is an equidigital number, since it uses as much as digits as its factorization.

12641584 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 790107 (or 790101 counting only the distinct ones).

The product of its digits is 7680, while the sum is 31.

The square root of 12641584 is about 3555.5005273520. The cubic root of 12641584 is about 232.9523870120.

It can be divided in two parts, 12641 and 584, that added together give a square (13225 = 115²).

The spelling of 12641584 in words is "twelve million, six hundred forty-one thousand, five hundred eighty-four".