12504287 has 2 divisors, whose sum is σ = 12504288. Its totient is φ = 12504286.

The previous prime is 12504281. The next prime is 12504311. The reversal of 12504287 is 78240521.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12504287 - 2⁸ = 12504031 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12504281) 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 as a sum of consecutive naturals, namely, 6252143 + 6252144.

It is an arithmetic number, because the mean of its divisors is an integer number (6252144).

Almost surely, 2^12504287 is an apocalyptic number.

12504287 is a deficient number, since it is larger than the sum of its proper divisors (1).

12504287 is an equidigital number, since it uses as much as digits as its factorization.

12504287 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4480, while the sum is 29.

The square root of 12504287 is about 3536.1401273140. The cubic root of 12504287 is about 232.1059699699.

The spelling of 12504287 in words is "twelve million, five hundred four thousand, two hundred eighty-seven".