11916653 has 6 divisors (see below), whose sum is σ = 13862286. Its totient is φ = 10214232.

The previous prime is 11916637. The next prime is 11916659. The reversal of 11916653 is 35661911.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 11812969 + 103684 = 3437^2 + 322^2 .

It is not a de Polignac number, because 11916653 - 2⁴ = 11916637 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 (11916659) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 121550 + ... + 121647.

It is an arithmetic number, because the mean of its divisors is an integer number (2310381).

Almost surely, 2^11916653 is an apocalyptic number.

It is an amenable number.

11916653 is a deficient number, since it is larger than the sum of its proper divisors (1945633).

11916653 is an equidigital number, since it uses as much as digits as its factorization.

11916653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243211 (or 243204 counting only the distinct ones).

The product of its digits is 4860, while the sum is 32.

The square root of 11916653 is about 3452.0505500354. The cubic root of 11916653 is about 228.4115693801.

The spelling of 11916653 in words is "eleven million, nine hundred sixteen thousand, six hundred fifty-three".