11669057 has 4 divisors (see below), whose sum is σ = 11800260. Its totient is φ = 11537856.

The previous prime is 11669041. The next prime is 11669069. The reversal of 11669057 is 75096611.

It is a Cunningham number, because it is equal to 3416²+1.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2238016 + 9431041 = 1496^2 + 3071^2 .

It is a cyclic number.

It is not a de Polignac number, because 11669057 - 2⁴ = 11669041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11669017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65468 + ... + 65645.

It is an arithmetic number, because the mean of its divisors is an integer number (2950065).

Almost surely, 2^11669057 is an apocalyptic number.

It is an amenable number.

11669057 is a deficient number, since it is larger than the sum of its proper divisors (131203).

11669057 is an equidigital number, since it uses as much as digits as its factorization.

11669057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131202.

The product of its (nonzero) digits is 11340, while the sum is 35.

The square root of 11669057 is about 3416.0001463700. Note that the first 3 decimals coincide. The cubic root of 11669057 is about 226.8185590437.

The spelling of 11669057 in words is "eleven million, six hundred sixty-nine thousand, fifty-seven".