12487751 has 2 divisors, whose sum is σ = 12487752. Its totient is φ = 12487750.

The previous prime is 12487729. The next prime is 12487757. The reversal of 12487751 is 15778421.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12487751 - 2¹⁴ = 12471367 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 (12487757) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6243875 + 6243876.

It is an arithmetic number, because the mean of its divisors is an integer number (6243876).

Almost surely, 2^12487751 is an apocalyptic number.

12487751 is a deficient number, since it is larger than the sum of its proper divisors (1).

12487751 is an equidigital number, since it uses as much as digits as its factorization.

12487751 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15680, while the sum is 35.

The square root of 12487751 is about 3533.8012111606. The cubic root of 12487751 is about 232.0036104769.

The spelling of 12487751 in words is "twelve million, four hundred eighty-seven thousand, seven hundred fifty-one".