11864653 has 2 divisors, whose sum is σ = 11864654. Its totient is φ = 11864652.

The previous prime is 11864641. The next prime is 11864659. The reversal of 11864653 is 35646811.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11854249 + 10404 = 3443^2 + 102^2 .

It is a cyclic number.

It is not a de Polignac number, because 11864653 - 2¹³ = 11856461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11864659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5932326 + 5932327.

It is an arithmetic number, because the mean of its divisors is an integer number (5932327).

Almost surely, 2^11864653 is an apocalyptic number.

It is an amenable number.

11864653 is a deficient number, since it is larger than the sum of its proper divisors (1).

11864653 is an equidigital number, since it uses as much as digits as its factorization.

11864653 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17280, while the sum is 34.

The square root of 11864653 is about 3444.5105602974. The cubic root of 11864653 is about 228.0788495621.

The spelling of 11864653 in words is "eleven million, eight hundred sixty-four thousand, six hundred fifty-three".