12504255 has 8 divisors (see below), whose sum is σ = 20006832. Its totient is φ = 6668928.

The previous prime is 12504251. The next prime is 12504257. The reversal of 12504255 is 55240521.

It is a happy number.

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

It is not a de Polignac number, because 12504255 - 2² = 12504251 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12504251) by changing a digit.

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, 416794 + ... + 416823.

It is an arithmetic number, because the mean of its divisors is an integer number (2500854).

Almost surely, 2^12504255 is an apocalyptic number.

12504255 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12504255 is a deficient number, since it is larger than the sum of its proper divisors (7502577).

12504255 is an equidigital number, since it uses as much as digits as its factorization.

12504255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 833625.

The product of its (nonzero) digits is 2000, while the sum is 24.

The square root of 12504255 is about 3536.1356026035. The cubic root of 12504255 is about 232.1057719739.

Adding to 12504255 its reverse (55240521), we get a palindrome (67744776).

The spelling of 12504255 in words is "twelve million, five hundred four thousand, two hundred fifty-five".