11616287 has 8 divisors (see below), whose sum is σ = 12410496. Its totient is φ = 10834432.

The previous prime is 11616263. The next prime is 11616307. The reversal of 11616287 is 78261611.

It is a happy number.

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 11616287 - 2⁶ = 11616223 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 (11616247) 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, 1103 + ... + 4944.

It is an arithmetic number, because the mean of its divisors is an integer number (1551312).

Almost surely, 2^11616287 is an apocalyptic number.

11616287 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

11616287 is a deficient number, since it is larger than the sum of its proper divisors (794209).

11616287 is a wasteful number, since it uses less digits than its factorization.

11616287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6177.

The product of its digits is 4032, while the sum is 32.

The square root of 11616287 is about 3408.2674484260. The cubic root of 11616287 is about 226.4761348219.

Adding to 11616287 its reverse (78261611), we get a palindrome (89877898).

The spelling of 11616287 in words is "eleven million, six hundred sixteen thousand, two hundred eighty-seven".