12609016 has 16 divisors (see below), whose sum is σ = 27019440. Its totient is φ = 5403840.

The previous prime is 12609013. The next prime is 12609029. The reversal of 12609016 is 61090621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12609013) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 112525 + ... + 112636.

It is an arithmetic number, because the mean of its divisors is an integer number (1688715).

Almost surely, 2^12609016 is an apocalyptic number.

It is an amenable number.

12609016 is an abundant number, since it is smaller than the sum of its proper divisors (14410424).

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

12609016 is a wasteful number, since it uses less digits than its factorization.

12609016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225174 (or 225170 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 25.

The square root of 12609016 is about 3550.9176278816. The cubic root of 12609016 is about 232.7521663786.

Adding to 12609016 its reverse (61090621), we get a palindrome (73699637).

The spelling of 12609016 in words is "twelve million, six hundred nine thousand, sixteen".