12748587 has 8 divisors (see below), whose sum is σ = 17025936. Its totient is φ = 8485152.

The previous prime is 12748583. The next prime is 12748591. The reversal of 12748587 is 78584721.

It is an interprime number because it is at equal distance from previous prime (12748583) and next prime (12748591).

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

It is not a de Polignac number, because 12748587 - 2² = 12748583 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12748583) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1108 + ... + 5169.

It is an arithmetic number, because the mean of its divisors is an integer number (2128242).

Almost surely, 2^12748587 is an apocalyptic number.

12748587 is a deficient number, since it is larger than the sum of its proper divisors (4277349).

12748587 is an equidigital number, since it uses as much as digits as its factorization.

12748587 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6957.

The product of its digits is 125440, while the sum is 42.

The square root of 12748587 is about 3570.5163492134. The cubic root of 12748587 is about 233.6078060329.

The spelling of 12748587 in words is "twelve million, seven hundred forty-eight thousand, five hundred eighty-seven".