11680247 has 2 divisors, whose sum is σ = 11680248. Its totient is φ = 11680246.

The previous prime is 11680237. The next prime is 11680261. The reversal of 11680247 is 74208611.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11680247 - 2⁶ = 11680183 is a prime.

It is equal to p₇₆₈₄₀₄ and since 11680247 and 768404 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11680237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5840123 + 5840124.

It is an arithmetic number, because the mean of its divisors is an integer number (5840124).

Almost surely, 2^11680247 is an apocalyptic number.

11680247 is a deficient number, since it is larger than the sum of its proper divisors (1).

11680247 is an equidigital number, since it uses as much as digits as its factorization.

11680247 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2688, while the sum is 29.

The square root of 11680247 is about 3417.6376343902. The cubic root of 11680247 is about 226.8910381597.

Adding to 11680247 its reverse (74208611), we get a palindrome (85888858).

The spelling of 11680247 in words is "eleven million, six hundred eighty thousand, two hundred forty-seven".