11669287 has 8 divisors (see below), whose sum is σ = 14038400. Its totient is φ = 9475704.

The previous prime is 11669267. The next prime is 11669351. The reversal of 11669287 is 78296611.

11669287 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 11669287 - 2⁷ = 11669159 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 (11669227) 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, 43737 + ... + 44002.

It is an arithmetic number, because the mean of its divisors is an integer number (1754800).

Almost surely, 2^11669287 is an apocalyptic number.

11669287 is a deficient number, since it is larger than the sum of its proper divisors (2369113).

11669287 is an equidigital number, since it uses as much as digits as its factorization.

11669287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87765.

The product of its digits is 36288, while the sum is 40.

The square root of 11669287 is about 3416.0338113081. The cubic root of 11669287 is about 226.8200492506.

The spelling of 11669287 in words is "eleven million, six hundred sixty-nine thousand, two hundred eighty-seven".