12161008 has 10 divisors (see below), whose sum is σ = 23561984. Its totient is φ = 6080496.

The previous prime is 12161003. The next prime is 12161011. The reversal of 12161008 is 80016121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12161003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 380016 + ... + 380047.

Almost surely, 2^12161008 is an apocalyptic number.

It is an amenable number.

12161008 is a deficient number, since it is larger than the sum of its proper divisors (11400976).

12161008 is an equidigital number, since it uses as much as digits as its factorization.

12161008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 760071 (or 760065 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 19.

The square root of 12161008 is about 3487.2636837498. The cubic root of 12161008 is about 229.9622370264.

Adding to 12161008 its reverse (80016121), we get a palindrome (92177129).

The spelling of 12161008 in words is "twelve million, one hundred sixty-one thousand, eight".