11739449 has 4 divisors (see below), whose sum is σ = 11783040. Its totient is φ = 11695860.

The previous prime is 11739443. The next prime is 11739451. The reversal of 11739449 is 94493711.

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: 94493711 = 13 ⋅7268747.

It is a cyclic number.

It is not a de Polignac number, because 11739449 - 2¹⁶ = 11673913 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 (11739443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21389 + ... + 21930.

It is an arithmetic number, because the mean of its divisors is an integer number (2945760).

Almost surely, 2^11739449 is an apocalyptic number.

It is an amenable number.

11739449 is a deficient number, since it is larger than the sum of its proper divisors (43591).

11739449 is an equidigital number, since it uses as much as digits as its factorization.

11739449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43590.

The product of its digits is 27216, while the sum is 38.

The square root of 11739449 is about 3426.2879330261. The cubic root of 11739449 is about 227.2737290574.

The spelling of 11739449 in words is "eleven million, seven hundred thirty-nine thousand, four hundred forty-nine".