11730447 has 8 divisors (see below), whose sum is σ = 17378480. Its totient is φ = 7820280.

The previous prime is 11730409. The next prime is 11730449. The reversal of 11730447 is 74403711.

It is not a de Polignac number, because 11730447 - 2⁷ = 11730319 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 434461 = 11730447 / (1 + 1 + 7 + 3 + 0 + 4 + 4 + 7).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11730447.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11730449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 217204 + ... + 217257.

It is an arithmetic number, because the mean of its divisors is an integer number (2172310).

Almost surely, 2^11730447 is an apocalyptic number.

11730447 is a deficient number, since it is larger than the sum of its proper divisors (5648033).

11730447 is an equidigital number, since it uses as much as digits as its factorization.

11730447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 434470 (or 434464 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 27.

The square root of 11730447 is about 3424.9740145000. The cubic root of 11730447 is about 227.2156218078.

The spelling of 11730447 in words is "eleven million, seven hundred thirty thousand, four hundred forty-seven".