11475389 has 4 divisors (see below), whose sum is σ = 11488224. Its totient is φ = 11462556.

The previous prime is 11475383. The next prime is 11475397. The reversal of 11475389 is 98357411.

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, and also an emirpimes, since its reverse is a distinct semiprime: 98357411 = 809 ⋅121579.

It is a cyclic number.

It is not a de Polignac number, because 11475389 - 2⁸ = 11475133 is a prime.

It is a super-3 number, since 3×11475389³ (a number of 22 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11475383) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4967 + ... + 6900.

It is an arithmetic number, because the mean of its divisors is an integer number (2872056).

Almost surely, 2^11475389 is an apocalyptic number.

It is an amenable number.

11475389 is a deficient number, since it is larger than the sum of its proper divisors (12835).

11475389 is an equidigital number, since it uses as much as digits as its factorization.

11475389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12834.

The product of its digits is 30240, while the sum is 38.

The square root of 11475389 is about 3387.5343540693. The cubic root of 11475389 is about 225.5567381479.

The spelling of 11475389 in words is "eleven million, four hundred seventy-five thousand, three hundred eighty-nine".