12587039 has 2 divisors, whose sum is σ = 12587040. Its totient is φ = 12587038.

The previous prime is 12587027. The next prime is 12587053. The reversal of 12587039 is 93078521.

It is a weak prime.

It is an emirp because it is prime and its reverse (93078521) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12587039 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12587009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6293519 + 6293520.

It is an arithmetic number, because the mean of its divisors is an integer number (6293520).

Almost surely, 2^12587039 is an apocalyptic number.

12587039 is a deficient number, since it is larger than the sum of its proper divisors (1).

12587039 is an equidigital number, since it uses as much as digits as its factorization.

12587039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15120, while the sum is 35.

The square root of 12587039 is about 3547.8217260736. The cubic root of 12587039 is about 232.6168618976.

The spelling of 12587039 in words is "twelve million, five hundred eighty-seven thousand, thirty-nine".