11567697 has 8 divisors (see below), whose sum is σ = 15560544. Its totient is φ = 7643328.

The previous prime is 11567683. The next prime is 11567729. The reversal of 11567697 is 79676511.

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

It is not a de Polignac number, because 11567697 - 2¹⁰ = 11566673 is a prime.

It is a super-2 number, since 2×11567697² = 267623227767618, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11563697) 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, 16723 + ... + 17400.

It is an arithmetic number, because the mean of its divisors is an integer number (1945068).

Almost surely, 2^11567697 is an apocalyptic number.

It is an amenable number.

11567697 is a deficient number, since it is larger than the sum of its proper divisors (3992847).

11567697 is a wasteful number, since it uses less digits than its factorization.

11567697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34239.

The product of its digits is 79380, while the sum is 42.

The square root of 11567697 is about 3401.1317234121. The cubic root of 11567697 is about 226.1599163160.

The spelling of 11567697 in words is "eleven million, five hundred sixty-seven thousand, six hundred ninety-seven".