11742589 has 4 divisors (see below), whose sum is σ = 12360640. Its totient is φ = 11124540.

The previous prime is 11742559. The next prime is 11742611. The reversal of 11742589 is 98524711.

11742589 is digitally balanced in base 3, 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 a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 98524711 = 173 ⋅569507.

It is a cyclic number.

It is not a de Polignac number, because 11742589 - 2⁹ = 11742077 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11742559) 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, 308997 + ... + 309034.

It is an arithmetic number, because the mean of its divisors is an integer number (3090160).

Almost surely, 2^11742589 is an apocalyptic number.

11742589 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

11742589 is a deficient number, since it is larger than the sum of its proper divisors (618051).

11742589 is an equidigital number, since it uses as much as digits as its factorization.

11742589 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 618050.

The product of its digits is 20160, while the sum is 37.

The square root of 11742589 is about 3426.7461242409. The cubic root of 11742589 is about 227.2939905391.

The spelling of 11742589 in words is "eleven million, seven hundred forty-two thousand, five hundred eighty-nine".