12396906 has 12 divisors (see below), whose sum is σ = 26860002. Its totient is φ = 4132296.

The previous prime is 12396889. The next prime is 12396907. The reversal of 12396906 is 60969321.

It can be written as a sum of positive squares in only one way, i.e., 8173881 + 4223025 = 2859^2 + 2055^2 .

It is not an unprimeable number, because it can be changed into a prime (12396907) 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 5 ways as a sum of consecutive naturals, for example, 344341 + ... + 344376.

Almost surely, 2^12396906 is an apocalyptic number.

12396906 is an abundant number, since it is smaller than the sum of its proper divisors (14463096).

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

12396906 is a wasteful number, since it uses less digits than its factorization.

12396906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 688725 (or 688722 counting only the distinct ones).

The product of its (nonzero) digits is 17496, while the sum is 36.

The square root of 12396906 is about 3520.9240264453. The cubic root of 12396906 is about 231.4396529412.

The spelling of 12396906 in words is "twelve million, three hundred ninety-six thousand, nine hundred six".