12208616 has 32 divisors (see below), whose sum is σ = 26282880. Its totient is φ = 5208000.

The previous prime is 12208597. The next prime is 12208627. The reversal of 12208616 is 61680221.

12208616 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (26) coincides with the sum of the digits of its prime factors.

It is a plaindrome in base 15.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17066 + ... + 17766.

It is an arithmetic number, because the mean of its divisors is an integer number (821340).

Almost surely, 2^12208616 is an apocalyptic number.

It is an amenable number.

12208616 is an abundant number, since it is smaller than the sum of its proper divisors (14074264).

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

12208616 is a wasteful number, since it uses less digits than its factorization.

12208616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1025 (or 1021 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 12208616 is about 3494.0829984418. The cubic root of 12208616 is about 230.2619322128.

Adding to 12208616 its reverse (61680221), we get a palindrome (73888837).

The spelling of 12208616 in words is "twelve million, two hundred eight thousand, six hundred sixteen".