11808853 has 6 divisors (see below), whose sum is σ = 13736886. Its totient is φ = 10121832.

The previous prime is 11808833. The next prime is 11808857. The reversal of 11808853 is 35880811.

It can be written as a sum of positive squares in only one way, i.e., 7800849 + 4008004 = 2793^2 + 2002^2 .

It is not a de Polignac number, because 11808853 - 2⁹ = 11808341 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 (11808857) 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, 120450 + ... + 120547.

It is an arithmetic number, because the mean of its divisors is an integer number (2289481).

Almost surely, 2^11808853 is an apocalyptic number.

It is an amenable number.

11808853 is a deficient number, since it is larger than the sum of its proper divisors (1928033).

11808853 is an equidigital number, since it uses as much as digits as its factorization.

11808853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241011 (or 241004 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 34.

The square root of 11808853 is about 3436.4011698287. The cubic root of 11808853 is about 227.7207325100.

The spelling of 11808853 in words is "eleven million, eight hundred eight thousand, eight hundred fifty-three".