12163646 has 12 divisors (see below), whose sum is σ = 20055336. Its totient is φ = 5528820.

The previous prime is 12163621. The next prime is 12163661. The reversal of 12163646 is 64636121.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 24890 + ... + 25373.

It is an arithmetic number, because the mean of its divisors is an integer number (1671278).

Almost surely, 2^12163646 is an apocalyptic number.

12163646 is a deficient number, since it is larger than the sum of its proper divisors (7891690).

12163646 is a wasteful number, since it uses less digits than its factorization.

12163646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50287 (or 50276 counting only the distinct ones).

The product of its digits is 5184, while the sum is 29.

The square root of 12163646 is about 3487.6418967549. The cubic root of 12163646 is about 229.9788638422.

Adding to 12163646 its reverse (64636121), we get a palindrome (76799767).

The spelling of 12163646 in words is "twelve million, one hundred sixty-three thousand, six hundred forty-six".