11966653 has 2 divisors, whose sum is σ = 11966654. Its totient is φ = 11966652.

The previous prime is 11966641. The next prime is 11966659. The reversal of 11966653 is 35666911.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9998244 + 1968409 = 3162^2 + 1403^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11966653 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11966659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5983326 + 5983327.

It is an arithmetic number, because the mean of its divisors is an integer number (5983327).

Almost surely, 2^11966653 is an apocalyptic number.

It is an amenable number.

11966653 is a deficient number, since it is larger than the sum of its proper divisors (1).

11966653 is an equidigital number, since it uses as much as digits as its factorization.

11966653 is an evil number, because the sum of its binary digits is even.

The product of its digits is 29160, while the sum is 37.

The square root of 11966653 is about 3459.2850417391. The cubic root of 11966653 is about 228.7305807318.

The spelling of 11966653 in words is "eleven million, nine hundred sixty-six thousand, six hundred fifty-three".