11812210 has 16 divisors (see below), whose sum is σ = 21384000. Its totient is φ = 4697776.

The previous prime is 11812183. The next prime is 11812211. The reversal of 11812210 is 1221811.

It is not an unprimeable number, because it can be changed into a prime (11812211) by changing a digit.

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, 1510 + ... + 5089.

It is an arithmetic number, because the mean of its divisors is an integer number (1336500).

Almost surely, 2^11812210 is an apocalyptic number.

11812210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11812210 is a deficient number, since it is larger than the sum of its proper divisors (9571790).

11812210 is a wasteful number, since it uses less digits than its factorization.

11812210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6785.

The product of its (nonzero) digits is 32, while the sum is 16.

The square root of 11812210 is about 3436.8895821658. The cubic root of 11812210 is about 227.7423091489.

The spelling of 11812210 in words is "eleven million, eight hundred twelve thousand, two hundred ten".