12390196 has 24 divisors (see below), whose sum is σ = 26687360. Its totient is φ = 4901472.

The previous prime is 12390151. The next prime is 12390197. The reversal of 12390196 is 69109321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12390197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16656 + ... + 17383.

Almost surely, 2^12390196 is an apocalyptic number.

It is an amenable number.

12390196 is an abundant number, since it is smaller than the sum of its proper divisors (14297164).

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

12390196 is a wasteful number, since it uses less digits than its factorization.

12390196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34063 (or 34061 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 31.

The square root of 12390196 is about 3519.9710226080. The cubic root of 12390196 is about 231.3978887477.

The spelling of 12390196 in words is "twelve million, three hundred ninety thousand, one hundred ninety-six".