12209896 has 16 divisors (see below), whose sum is σ = 22976100. Its totient is φ = 6082944.

The previous prime is 12209887. The next prime is 12209921. The reversal of 12209896 is 69890221.

It can be written as a sum of positive squares in 2 ways, for example, as 8328996 + 3880900 = 2886^2 + 1970^2 .

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 261 + ... + 4948.

Almost surely, 2^12209896 is an apocalyptic number.

It is an amenable number.

12209896 is a deficient number, since it is larger than the sum of its proper divisors (10766204).

12209896 is a wasteful number, since it uses less digits than its factorization.

12209896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5508 (or 5504 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 37.

The square root of 12209896 is about 3494.2661604406. The cubic root of 12209896 is about 230.2699791248.

The spelling of 12209896 in words is "twelve million, two hundred nine thousand, eight hundred ninety-six".