11620266 has 16 divisors (see below), whose sum is σ = 26560704. Its totient is φ = 3320064.

The previous prime is 11620253. The next prime is 11620283. The reversal of 11620266 is 66202611.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 138295 + ... + 138378.

It is an arithmetic number, because the mean of its divisors is an integer number (1660044).

Almost surely, 2^11620266 is an apocalyptic number.

11620266 is an abundant number, since it is smaller than the sum of its proper divisors (14940438).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11620266 is a wasteful number, since it uses less digits than its factorization.

11620266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276685.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 11620266 is about 3408.8511261127. The cubic root of 11620266 is about 226.5019906359.

Adding to 11620266 its reverse (66202611), we get a palindrome (77822877).

The spelling of 11620266 in words is "eleven million, six hundred twenty thousand, two hundred sixty-six".