11434447 has 4 divisors (see below), whose sum is σ = 12036280. Its totient is φ = 10832616.

The previous prime is 11434441. The next prime is 11434463. The reversal of 11434447 is 74443411.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11434447 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11434441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 300888 + ... + 300925.

It is an arithmetic number, because the mean of its divisors is an integer number (3009070).

Almost surely, 2^11434447 is an apocalyptic number.

11434447 is a deficient number, since it is larger than the sum of its proper divisors (601833).

11434447 is an equidigital number, since it uses as much as digits as its factorization.

11434447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 601832.

The product of its digits is 5376, while the sum is 28.

The square root of 11434447 is about 3381.4859159843. The cubic root of 11434447 is about 225.2881706831.

Adding to 11434447 its reverse (74443411), we get a palindrome (85877858).

It can be divided in two parts, 11434 and 447, that added together give a square (11881 = 109²).

The spelling of 11434447 in words is "eleven million, four hundred thirty-four thousand, four hundred forty-seven".