11574449 has 4 divisors (see below), whose sum is σ = 11586420. Its totient is φ = 11562480.

The previous prime is 11574421. The next prime is 11574457. The reversal of 11574449 is 94447511.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5107600 + 6466849 = 2260^2 + 2543^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11574449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11574149) 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, 4394 + ... + 6515.

It is an arithmetic number, because the mean of its divisors is an integer number (2896605).

Almost surely, 2^11574449 is an apocalyptic number.

It is an amenable number.

11574449 is a deficient number, since it is larger than the sum of its proper divisors (11971).

11574449 is a wasteful number, since it uses less digits than its factorization.

11574449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11970.

The product of its digits is 20160, while the sum is 35.

The square root of 11574449 is about 3402.1241893852. The cubic root of 11574449 is about 226.2039105165.

The spelling of 11574449 in words is "eleven million, five hundred seventy-four thousand, four hundred forty-nine".