12858587 has 8 divisors (see below), whose sum is σ = 15334656. Its totient is φ = 10542312.

The previous prime is 12858569. The next prime is 12858607. The reversal of 12858587 is 78585821.

12858587 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 12858587 - 2⁶ = 12858523 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12858557) 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, 39773 + ... + 40094.

It is an arithmetic number, because the mean of its divisors is an integer number (1916832).

Almost surely, 2^12858587 is an apocalyptic number.

12858587 is a deficient number, since it is larger than the sum of its proper divisors (2476069).

12858587 is an equidigital number, since it uses as much as digits as its factorization.

12858587 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79897.

The product of its digits is 179200, while the sum is 44.

The square root of 12858587 is about 3585.8871984489. The cubic root of 12858587 is about 234.2777705622.

The spelling of 12858587 in words is "twelve million, eight hundred fifty-eight thousand, five hundred eighty-seven".