11579897 has 4 divisors (see below), whose sum is σ = 13234176. Its totient is φ = 9925620.

The previous prime is 11579881. The next prime is 11579921. The reversal of 11579897 is 79897511.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11579897 - 2⁴ = 11579881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11579297) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 827129 + ... + 827142.

It is an arithmetic number, because the mean of its divisors is an integer number (3308544).

Almost surely, 2^11579897 is an apocalyptic number.

It is an amenable number.

11579897 is a deficient number, since it is larger than the sum of its proper divisors (1654279).

11579897 is an equidigital number, since it uses as much as digits as its factorization.

11579897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1654278.

The product of its digits is 158760, while the sum is 47.

The square root of 11579897 is about 3402.9247714282. The cubic root of 11579897 is about 226.2393957363.

The spelling of 11579897 in words is "eleven million, five hundred seventy-nine thousand, eight hundred ninety-seven".