11440247 has 8 divisors (see below), whose sum is σ = 14080416. Its totient is φ = 9051552.

The previous prime is 11440241. The next prime is 11440249. The reversal of 11440247 is 74204411.

It is a happy number.

11440247 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 11440247 - 2¹⁸ = 11178103 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11440241) 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, 62768 + ... + 62949.

It is an arithmetic number, because the mean of its divisors is an integer number (1760052).

Almost surely, 2^11440247 is an apocalyptic number.

11440247 is a deficient number, since it is larger than the sum of its proper divisors (2640169).

11440247 is a wasteful number, since it uses less digits than its factorization.

11440247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125737.

The product of its (nonzero) digits is 896, while the sum is 23.

The square root of 11440247 is about 3382.3434184009. The cubic root of 11440247 is about 225.3262559098.

Adding to 11440247 its reverse (74204411), we get a palindrome (85644658).

The spelling of 11440247 in words is "eleven million, four hundred forty thousand, two hundred forty-seven".