11694221 has 16 divisors (see below), whose sum is σ = 15085440. Its totient is φ = 8796480.

The previous prime is 11694203. The next prime is 11694227. The reversal of 11694221 is 12249611.

It is not a de Polignac number, because 11694221 - 2⁶ = 11694157 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 (11694227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 386 + ... + 4851.

It is an arithmetic number, because the mean of its divisors is an integer number (942840).

Almost surely, 2^11694221 is an apocalyptic number.

11694221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11694221 is a deficient number, since it is larger than the sum of its proper divisors (3391219).

11694221 is a wasteful number, since it uses less digits than its factorization.

11694221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5284.

The product of its digits is 864, while the sum is 26.

The square root of 11694221 is about 3419.6814179102. The cubic root of 11694221 is about 226.9814846433.

It can be divided in two parts, 116 and 94221, that multiplied together give a square (10929636 = 3306²).

The spelling of 11694221 in words is "eleven million, six hundred ninety-four thousand, two hundred twenty-one".