11739189 has 32 divisors (see below), whose sum is σ = 19768320. Its totient is φ = 6019200.

The previous prime is 11739181. The next prime is 11739199. The reversal of 11739189 is 98193711.

It is not a de Polignac number, because 11739189 - 2³ = 11739181 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11739181) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20274 + ... + 20844.

It is an arithmetic number, because the mean of its divisors is an integer number (617760).

Almost surely, 2^11739189 is an apocalyptic number.

It is an amenable number.

11739189 is a deficient number, since it is larger than the sum of its proper divisors (8029131).

11739189 is a wasteful number, since it uses less digits than its factorization.

11739189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 681.

The product of its digits is 13608, while the sum is 39.

The square root of 11739189 is about 3426.2499908792. The cubic root of 11739189 is about 227.2720511931.

It can be divided in two parts, 11739 and 189, that multiplied together give a triangular number (2218671 = T₂₁₀₆).

The spelling of 11739189 in words is "eleven million, seven hundred thirty-nine thousand, one hundred eighty-nine".