12581255 has 8 divisors (see below), whose sum is σ = 15217152. Its totient is φ = 9985248.

The previous prime is 12581243. The next prime is 12581263. The reversal of 12581255 is 55218521.

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

It is not a de Polignac number, because 12581255 - 2¹⁰ = 12580231 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9272 + ... + 10541.

It is an arithmetic number, because the mean of its divisors is an integer number (1902144).

Almost surely, 2^12581255 is an apocalyptic number.

12581255 is a deficient number, since it is larger than the sum of its proper divisors (2635897).

12581255 is a wasteful number, since it uses less digits than its factorization.

12581255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19945.

The product of its digits is 4000, while the sum is 29.

The square root of 12581255 is about 3547.0064843470. The cubic root of 12581255 is about 232.5812257147.

Adding to 12581255 its reverse (55218521), we get a palindrome (67799776).

The spelling of 12581255 in words is "twelve million, five hundred eighty-one thousand, two hundred fifty-five".