12530587 has 8 divisors (see below), whose sum is σ = 12870704. Its totient is φ = 12192768.

The previous prime is 12530569. The next prime is 12530599. The reversal of 12530587 is 78503521.

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

It is a cyclic number.

It is not a de Polignac number, because 12530587 - 2⁷ = 12530459 is a prime.

It is a super-2 number, since 2×12530587² = 314031221129138, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12530387) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18283 + ... + 18955.

It is an arithmetic number, because the mean of its divisors is an integer number (1608838).

Almost surely, 2^12530587 is an apocalyptic number.

12530587 is a deficient number, since it is larger than the sum of its proper divisors (340117).

12530587 is an equidigital number, since it uses as much as digits as its factorization.

12530587 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1149.

The product of its (nonzero) digits is 8400, while the sum is 31.

The square root of 12530587 is about 3539.8569180124. The cubic root of 12530587 is about 232.2685838602.

The spelling of 12530587 in words is "twelve million, five hundred thirty thousand, five hundred eighty-seven".