11211396 has 72 divisors (see below), whose sum is σ = 31792320. Its totient is φ = 3060288.

The previous prime is 11211383. The next prime is 11211401. The reversal of 11211396 is 69311211.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13110 + ... + 13938.

It is an arithmetic number, because the mean of its divisors is an integer number (441560).

Almost surely, 2^11211396 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11211396, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15896160).

11211396 is an abundant number, since it is smaller than the sum of its proper divisors (20580924).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11211396 is a wasteful number, since it uses less digits than its factorization.

11211396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 873 (or 864 counting only the distinct ones).

The product of its digits is 324, while the sum is 24.

The square root of 11211396 is about 3348.3422764108. The cubic root of 11211396 is about 223.8136470933.

The spelling of 11211396 in words is "eleven million, two hundred eleven thousand, three hundred ninety-six".