12487507 has 2 divisors, whose sum is σ = 12487508. Its totient is φ = 12487506.

The previous prime is 12487483. The next prime is 12487523. The reversal of 12487507 is 70578421.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12487507 is a prime.

It is not a weakly prime, because it can be changed into another prime (12487547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6243753 + 6243754.

It is an arithmetic number, because the mean of its divisors is an integer number (6243754).

Almost surely, 2^12487507 is an apocalyptic number.

12487507 is a deficient number, since it is larger than the sum of its proper divisors (1).

12487507 is an equidigital number, since it uses as much as digits as its factorization.

12487507 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15680, while the sum is 34.

The square root of 12487507 is about 3533.7666872616. The cubic root of 12487507 is about 232.0020994162.

The spelling of 12487507 in words is "twelve million, four hundred eighty-seven thousand, five hundred seven".