11481797 has 2 divisors, whose sum is σ = 11481798. Its totient is φ = 11481796.

The previous prime is 11481773. The next prime is 11481829. The reversal of 11481797 is 79718411.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11282881 + 198916 = 3359^2 + 446^2 .

It is a cyclic number.

It is not a de Polignac number, because 11481797 - 2¹⁰ = 11480773 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11481797.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11481707) 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 as a sum of consecutive naturals, namely, 5740898 + 5740899.

It is an arithmetic number, because the mean of its divisors is an integer number (5740899).

Almost surely, 2^11481797 is an apocalyptic number.

It is an amenable number.

11481797 is a deficient number, since it is larger than the sum of its proper divisors (1).

11481797 is an equidigital number, since it uses as much as digits as its factorization.

11481797 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14112, while the sum is 38.

The square root of 11481797 is about 3388.4800427330. The cubic root of 11481797 is about 225.5987148985.

The spelling of 11481797 in words is "eleven million, four hundred eighty-one thousand, seven hundred ninety-seven".