12211384 has 8 divisors (see below), whose sum is σ = 22896360. Its totient is φ = 6105688.

The previous prime is 12211373. The next prime is 12211387. The reversal of 12211384 is 48311221.

It is a happy number.

12211384 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12211387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 763204 + ... + 763219.

It is an arithmetic number, because the mean of its divisors is an integer number (2862045).

Almost surely, 2^12211384 is an apocalyptic number.

It is an amenable number.

12211384 is a deficient number, since it is larger than the sum of its proper divisors (10684976).

12211384 is a wasteful number, since it uses less digits than its factorization.

12211384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1526429 (or 1526425 counting only the distinct ones).

The product of its digits is 384, while the sum is 22.

The square root of 12211384 is about 3494.4790741969. The cubic root of 12211384 is about 230.2793329530.

The spelling of 12211384 in words is "twelve million, two hundred eleven thousand, three hundred eighty-four".