11530587 has 8 divisors (see below), whose sum is σ = 16183360. Its totient is φ = 7282440.

The previous prime is 11530583. The next prime is 11530591. The reversal of 11530587 is 78503511.

It is an interprime number because it is at equal distance from previous prime (11530583) and next prime (11530591).

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

It is not a de Polignac number, because 11530587 - 2² = 11530583 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11530583) 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, 101089 + ... + 101202.

It is an arithmetic number, because the mean of its divisors is an integer number (2022920).

Almost surely, 2^11530587 is an apocalyptic number.

11530587 is a deficient number, since it is larger than the sum of its proper divisors (4652773).

11530587 is a wasteful number, since it uses less digits than its factorization.

11530587 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202313.

The product of its (nonzero) digits is 4200, while the sum is 30.

The square root of 11530587 is about 3395.6718039292. The cubic root of 11530587 is about 225.9178115012.

The spelling of 11530587 in words is "eleven million, five hundred thirty thousand, five hundred eighty-seven".