12208936 has 8 divisors (see below), whose sum is σ = 22891770. Its totient is φ = 6104464.

The previous prime is 12208919. The next prime is 12208949. The reversal of 12208936 is 63980221.

It can be written as a sum of positive squares in only one way, i.e., 12208036 + 900 = 3494^2 + 30^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 12208898 and 12208907.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 763051 + ... + 763066.

Almost surely, 2^12208936 is an apocalyptic number.

It is an amenable number.

12208936 is a deficient number, since it is larger than the sum of its proper divisors (10682834).

12208936 is a wasteful number, since it uses less digits than its factorization.

12208936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1526123 (or 1526119 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 12208936 is about 3494.1287898416. The cubic root of 12208936 is about 230.2639439935.

The spelling of 12208936 in words is "twelve million, two hundred eight thousand, nine hundred thirty-six".