12388194 has 64 divisors (see below), whose sum is σ = 33895680. Its totient is φ = 3265920.

The previous prime is 12388169. The next prime is 12388199. The reversal of 12388194 is 49188321.

12388194 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (12388199) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3654 + ... + 6174.

It is an arithmetic number, because the mean of its divisors is an integer number (529620).

Almost surely, 2^12388194 is an apocalyptic number.

12388194 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12388194, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16947840).

12388194 is an abundant number, since it is smaller than the sum of its proper divisors (21507486).

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

12388194 is a wasteful number, since it uses less digits than its factorization.

12388194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2552 (or 2546 counting only the distinct ones).

The product of its digits is 13824, while the sum is 36.

The square root of 12388194 is about 3519.6866337786. The cubic root of 12388194 is about 231.3854250351.

The spelling of 12388194 in words is "twelve million, three hundred eighty-eight thousand, one hundred ninety-four".