11911449 has 8 divisors (see below), whose sum is σ = 17325792. Its totient is φ = 7219040.

The previous prime is 11911439. The next prime is 11911453. The reversal of 11911449 is 94411911.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11911449 - 2⁷ = 11911321 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11911439) 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 7 ways as a sum of consecutive naturals, for example, 180444 + ... + 180509.

It is an arithmetic number, because the mean of its divisors is an integer number (2165724).

Almost surely, 2^11911449 is an apocalyptic number.

It is an amenable number.

11911449 is a deficient number, since it is larger than the sum of its proper divisors (5414343).

11911449 is a wasteful number, since it uses less digits than its factorization.

11911449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 360967.

The product of its digits is 1296, while the sum is 30.

The square root of 11911449 is about 3451.2967128313. The cubic root of 11911449 is about 228.3783154433.

The spelling of 11911449 in words is "eleven million, nine hundred eleven thousand, four hundred forty-nine".