13000587 has 4 divisors (see below), whose sum is σ = 17334120. Its totient is φ = 8667056.

The previous prime is 13000583. The next prime is 13000601. The reversal of 13000587 is 78500031.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13000587 - 2² = 13000583 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13000583) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2166762 + ... + 2166767.

It is an arithmetic number, because the mean of its divisors is an integer number (4333530).

Almost surely, 2^13000587 is an apocalyptic number.

13000587 is a deficient number, since it is larger than the sum of its proper divisors (4333533).

13000587 is an equidigital number, since it uses as much as digits as its factorization.

13000587 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4333532.

The product of its (nonzero) digits is 840, while the sum is 24.

The square root of 13000587 is about 3605.6326767989. The cubic root of 13000587 is about 235.1370077790.

The spelling of 13000587 in words is "thirteen million, five hundred eighty-seven", and thus it is an aban number.