12211396 has 12 divisors (see below), whose sum is σ = 22059520. Its totient is φ = 5908680.

The previous prime is 12211391. The next prime is 12211403. The reversal of 12211396 is 69311221.

It is a self number, because there is not a number n which added to its sum of digits gives 12211396.

It is not an unprimeable number, because it can be changed into a prime (12211391) 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 3 ways as a sum of consecutive naturals, for example, 49116 + ... + 49363.

Almost surely, 2^12211396 is an apocalyptic number.

It is an amenable number.

12211396 is a deficient number, since it is larger than the sum of its proper divisors (9848124).

12211396 is a wasteful number, since it uses less digits than its factorization.

12211396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98514 (or 98512 counting only the distinct ones).

The product of its digits is 648, while the sum is 25.

The square root of 12211396 is about 3494.4807911906. The cubic root of 12211396 is about 230.2794083840.

The spelling of 12211396 in words is "twelve million, two hundred eleven thousand, three hundred ninety-six".