11580287 has 6 divisors (see below), whose sum is σ = 11857752. Its totient is φ = 11309172.

The previous prime is 11580271. The next prime is 11580299. The reversal of 11580287 is 78208511.

It is a happy number.

It is not a de Polignac number, because 11580287 - 2⁴ = 11580271 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11580227) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1283 + ... + 4980.

It is an arithmetic number, because the mean of its divisors is an integer number (1976292).

Almost surely, 2^11580287 is an apocalyptic number.

11580287 is a deficient number, since it is larger than the sum of its proper divisors (277465).

11580287 is an frugal number, since it uses more digits than its factorization.

11580287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6349 (or 6306 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 32.

The square root of 11580287 is about 3402.9820745928. The cubic root of 11580287 is about 226.2419355509.

Adding to 11580287 its reverse (78208511), we get a palindrome (89788798).

The spelling of 11580287 in words is "eleven million, five hundred eighty thousand, two hundred eighty-seven".