11919441 has 16 divisors (see below), whose sum is σ = 16947200. Its totient is φ = 7429968.

The previous prime is 11919437. The next prime is 11919443. The reversal of 11919441 is 14491911.

It is not a de Polignac number, because 11919441 - 2² = 11919437 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 11919399 and 11919408.

It is not an unprimeable number, because it can be changed into a prime (11919443) 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 15 ways as a sum of consecutive naturals, for example, 3180 + ... + 5826.

It is an arithmetic number, because the mean of its divisors is an integer number (1059200).

Almost surely, 2^11919441 is an apocalyptic number.

It is an amenable number.

11919441 is a deficient number, since it is larger than the sum of its proper divisors (5027759).

11919441 is a wasteful number, since it uses less digits than its factorization.

11919441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2748.

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

The square root of 11919441 is about 3452.4543443759. The cubic root of 11919441 is about 228.4293809194.

The spelling of 11919441 in words is "eleven million, nine hundred nineteen thousand, four hundred forty-one".