11609197 has 4 divisors (see below), whose sum is σ = 11700736. Its totient is φ = 11517660.

The previous prime is 11609189. The next prime is 11609201. The reversal of 11609197 is 79190611.

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 11609197 - 2³ = 11609189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11609107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45579 + ... + 45832.

It is an arithmetic number, because the mean of its divisors is an integer number (2925184).

Almost surely, 2^11609197 is an apocalyptic number.

It is an amenable number.

11609197 is a deficient number, since it is larger than the sum of its proper divisors (91539).

11609197 is an equidigital number, since it uses as much as digits as its factorization.

11609197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91538.

The product of its (nonzero) digits is 3402, while the sum is 34.

The square root of 11609197 is about 3407.2271717630. The cubic root of 11609197 is about 226.4300488799.

The spelling of 11609197 in words is "eleven million, six hundred nine thousand, one hundred ninety-seven".