11567897 has 8 divisors (see below), whose sum is σ = 13055040. Its totient is φ = 10153360.

The previous prime is 11567893. The next prime is 11567909. The reversal of 11567897 is 79876511.

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

It is a cyclic number.

It is not a de Polignac number, because 11567897 - 2² = 11567893 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11567893) 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, 17813 + ... + 18450.

It is an arithmetic number, because the mean of its divisors is an integer number (1631880).

Almost surely, 2^11567897 is an apocalyptic number.

It is an amenable number.

11567897 is a deficient number, since it is larger than the sum of its proper divisors (1487143).

11567897 is a wasteful number, since it uses less digits than its factorization.

11567897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36303.

The product of its digits is 105840, while the sum is 44.

The square root of 11567897 is about 3401.1611252630. The cubic root of 11567897 is about 226.1612197077.

The spelling of 11567897 in words is "eleven million, five hundred sixty-seven thousand, eight hundred ninety-seven".