11865089 has 8 divisors (see below), whose sum is σ = 12432000. Its totient is φ = 11308752.

The previous prime is 11865083. The next prime is 11865107. The reversal of 11865089 is 98056811.

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 11865089 - 2⁸ = 11864833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11865083) 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, 299 + ... + 4880.

It is an arithmetic number, because the mean of its divisors is an integer number (1554000).

Almost surely, 2^11865089 is an apocalyptic number.

It is an amenable number.

11865089 is a deficient number, since it is larger than the sum of its proper divisors (566911).

11865089 is an equidigital number, since it uses as much as digits as its factorization.

11865089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5287.

The product of its (nonzero) digits is 17280, while the sum is 38.

The square root of 11865089 is about 3444.5738488237. The cubic root of 11865089 is about 228.0816433272.

The spelling of 11865089 in words is "eleven million, eight hundred sixty-five thousand, eighty-nine".