11567669 has 2 divisors, whose sum is σ = 11567670. Its totient is φ = 11567668.

The previous prime is 11567659. The next prime is 11567683. The reversal of 11567669 is 96676511.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9690769 + 1876900 = 3113^2 + 1370^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11567669 is a prime.

It is a super-2 number, since 2×11567669² = 267621932187122, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11567629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5783834 + 5783835.

It is an arithmetic number, because the mean of its divisors is an integer number (5783835).

Almost surely, 2^11567669 is an apocalyptic number.

It is an amenable number.

11567669 is a deficient number, since it is larger than the sum of its proper divisors (1).

11567669 is an equidigital number, since it uses as much as digits as its factorization.

11567669 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 68040, while the sum is 41.

The square root of 11567669 is about 3401.1276071327. The cubic root of 11567669 is about 226.1597338399.

The spelling of 11567669 in words is "eleven million, five hundred sixty-seven thousand, six hundred sixty-nine".