11567969 has 12 divisors (see below), whose sum is σ = 13745664. Its totient is φ = 9702504.

The previous prime is 11567957. The next prime is 11567977. The reversal of 11567969 is 96976511.

It is a happy number.

It is not a de Polignac number, because 11567969 - 2¹⁶ = 11502433 is a prime.

It is a super-2 number, since 2×11567969² = 267635813569922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11567909) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 209 + ... + 4814.

It is an arithmetic number, because the mean of its divisors is an integer number (1145472).

Almost surely, 2^11567969 is an apocalyptic number.

It is an amenable number.

11567969 is a deficient number, since it is larger than the sum of its proper divisors (2177695).

11567969 is an equidigital number, since it uses as much as digits as its factorization.

11567969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5084 (or 5077 counting only the distinct ones).

The product of its digits is 102060, while the sum is 44.

The square root of 11567969 is about 3401.1717098671. The cubic root of 11567969 is about 226.1616889251.

The spelling of 11567969 in words is "eleven million, five hundred sixty-seven thousand, nine hundred sixty-nine".