11955290 has 16 divisors (see below), whose sum is σ = 22020768. Its totient is φ = 4670736.

The previous prime is 11955289. The next prime is 11955311. The reversal of 11955290 is 9255911.

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, 13472 + ... + 14331.

It is an arithmetic number, because the mean of its divisors is an integer number (1376298).

Almost surely, 2^11955290 is an apocalyptic number.

11955290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11955290 is a deficient number, since it is larger than the sum of its proper divisors (10065478).

11955290 is a wasteful number, since it uses less digits than its factorization.

11955290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27853.

The product of its (nonzero) digits is 4050, while the sum is 32.

The square root of 11955290 is about 3457.6422602693. The cubic root of 11955290 is about 228.6581603517.

The spelling of 11955290 in words is "eleven million, nine hundred fifty-five thousand, two hundred ninety".