12111294 has 64 divisors (see below), whose sum is σ = 28030464. Its totient is φ = 3459456.

The previous prime is 12111287. The next prime is 12111301. The reversal of 12111294 is 49211121.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (12111287) and next prime (12111301).

It is a self number, because there is not a number n which added to its sum of digits gives 12111294.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 77064 + ... + 77220.

It is an arithmetic number, because the mean of its divisors is an integer number (437976).

Almost surely, 2^12111294 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12111294, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14015232).

12111294 is an abundant number, since it is smaller than the sum of its proper divisors (15919170).

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

12111294 is a wasteful number, since it uses less digits than its factorization.

12111294 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241.

The product of its digits is 144, while the sum is 21.

The square root of 12111294 is about 3480.1284459054. The cubic root of 12111294 is about 229.6484484397.

The spelling of 12111294 in words is "twelve million, one hundred eleven thousand, two hundred ninety-four".