11444691 has 8 divisors (see below), whose sum is σ = 15286720. Its totient is φ = 7616232.

The previous prime is 11444687. The next prime is 11444717. The reversal of 11444691 is 19644411.

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

It is not a de Polignac number, because 11444691 - 2² = 11444687 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11444681) 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 7 ways as a sum of consecutive naturals, for example, 1225 + ... + 4938.

It is an arithmetic number, because the mean of its divisors is an integer number (1910840).

Almost surely, 2^11444691 is an apocalyptic number.

11444691 is a deficient number, since it is larger than the sum of its proper divisors (3842029).

11444691 is an equidigital number, since it uses as much as digits as its factorization.

11444691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6785.

The product of its digits is 3456, while the sum is 30.

The square root of 11444691 is about 3383.0002955956. Note that the first 3 decimals coincide. The cubic root of 11444691 is about 225.3554283642.

The spelling of 11444691 in words is "eleven million, four hundred forty-four thousand, six hundred ninety-one".