11758889 has 4 divisors (see below), whose sum is σ = 12138240. Its totient is φ = 11379540.

The previous prime is 11758871. The next prime is 11758907. The reversal of 11758889 is 98885711.

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: 98885711 = 59 ⋅1676029.

It is an interprime number because it is at equal distance from previous prime (11758871) and next prime (11758907).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11758889 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11758189) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 189629 + ... + 189690.

It is an arithmetic number, because the mean of its divisors is an integer number (3034560).

Almost surely, 2^11758889 is an apocalyptic number.

It is an amenable number.

11758889 is a deficient number, since it is larger than the sum of its proper divisors (379351).

11758889 is an equidigital number, since it uses as much as digits as its factorization.

11758889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 379350.

The product of its digits is 161280, while the sum is 47.

The square root of 11758889 is about 3429.1236489809. The cubic root of 11758889 is about 227.3991115676.

The spelling of 11758889 in words is "eleven million, seven hundred fifty-eight thousand, eight hundred eighty-nine".