11808245 has 4 divisors (see below), whose sum is σ = 14169900. Its totient is φ = 9446592.

The previous prime is 11808227. The next prime is 11808257. The reversal of 11808245 is 54280811.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1304164 + 10504081 = 1142^2 + 3241^2 .

It is a cyclic number.

It is not a de Polignac number, because 11808245 - 2⁸ = 11807989 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1180820 + ... + 1180829.

It is an arithmetic number, because the mean of its divisors is an integer number (3542475).

Almost surely, 2^11808245 is an apocalyptic number.

It is an amenable number.

11808245 is a deficient number, since it is larger than the sum of its proper divisors (2361655).

11808245 is an equidigital number, since it uses as much as digits as its factorization.

11808245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2361654.

The product of its (nonzero) digits is 2560, while the sum is 29.

The square root of 11808245 is about 3436.3127040478. The cubic root of 11808245 is about 227.7168242393.

The spelling of 11808245 in words is "eleven million, eight hundred eight thousand, two hundred forty-five".