11490205 has 4 divisors (see below), whose sum is σ = 13788252. Its totient is φ = 9192160.

The previous prime is 11490203. The next prime is 11490217. The reversal of 11490205 is 50209411.

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 7546009 + 3944196 = 2747^2 + 1986^2 .

It is not a de Polignac number, because 11490205 - 2¹ = 11490203 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 (11490203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1149016 + ... + 1149025.

It is an arithmetic number, because the mean of its divisors is an integer number (3447063).

Almost surely, 2^11490205 is an apocalyptic number.

It is an amenable number.

11490205 is a deficient number, since it is larger than the sum of its proper divisors (2298047).

11490205 is an equidigital number, since it uses as much as digits as its factorization.

11490205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2298046.

The product of its (nonzero) digits is 360, while the sum is 22.

The square root of 11490205 is about 3389.7204899519. The cubic root of 11490205 is about 225.6537693228.

Adding to 11490205 its reverse (50209411), we get a palindrome (61699616).

The spelling of 11490205 in words is "eleven million, four hundred ninety thousand, two hundred five".