11730247 has 4 divisors (see below), whose sum is σ = 11800656. Its totient is φ = 11659840.

The previous prime is 11730233. The next prime is 11730259. The reversal of 11730247 is 74203711.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 11730247 - 2¹⁹ = 11205959 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 (11730287) 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, 34954 + ... + 35287.

It is an arithmetic number, because the mean of its divisors is an integer number (2950164).

Almost surely, 2^11730247 is an apocalyptic number.

11730247 is a deficient number, since it is larger than the sum of its proper divisors (70409).

11730247 is an equidigital number, since it uses as much as digits as its factorization.

11730247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70408.

The product of its (nonzero) digits is 1176, while the sum is 25.

The square root of 11730247 is about 3424.9448170737. The cubic root of 11730247 is about 227.2143304850.

Adding to 11730247 its reverse (74203711), we get a palindrome (85933958).

The spelling of 11730247 in words is "eleven million, seven hundred thirty thousand, two hundred forty-seven".