11589739 has 4 divisors (see below), whose sum is σ = 13245424. Its totient is φ = 9934056.

The previous prime is 11589731. The next prime is 11589749. The reversal of 11589739 is 93798511.

11589739 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 93798511 = 47 ⋅1995713.

It is a cyclic number.

It is not a de Polignac number, because 11589739 - 2³ = 11589731 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11589695 and 11589704.

It is not an unprimeable number, because it can be changed into a prime (11589731) 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, 827832 + ... + 827845.

It is an arithmetic number, because the mean of its divisors is an integer number (3311356).

Almost surely, 2^11589739 is an apocalyptic number.

11589739 is a deficient number, since it is larger than the sum of its proper divisors (1655685).

11589739 is an equidigital number, since it uses as much as digits as its factorization.

11589739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1655684.

The product of its digits is 68040, while the sum is 43.

The square root of 11589739 is about 3404.3705732485. The cubic root of 11589739 is about 226.3034728061.

The spelling of 11589739 in words is "eleven million, five hundred eighty-nine thousand, seven hundred thirty-nine".