11397109 has 4 divisors (see below), whose sum is σ = 11460960. Its totient is φ = 11333260.

The previous prime is 11397103. The next prime is 11397163. The reversal of 11397109 is 90179311.

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 11397109 - 2⁷ = 11396981 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 (11397103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31657 + ... + 32014.

It is an arithmetic number, because the mean of its divisors is an integer number (2865240).

Almost surely, 2^11397109 is an apocalyptic number.

It is an amenable number.

11397109 is a deficient number, since it is larger than the sum of its proper divisors (63851).

11397109 is an equidigital number, since it uses as much as digits as its factorization.

11397109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63850.

The product of its (nonzero) digits is 1701, while the sum is 31.

The square root of 11397109 is about 3375.9604559295. The cubic root of 11397109 is about 225.0426849058.

The spelling of 11397109 in words is "eleven million, three hundred ninety-seven thousand, one hundred nine".