12661336 has 16 divisors (see below), whose sum is σ = 23813640. Its totient is φ = 6311040.

The previous prime is 12661321. The next prime is 12661357. The reversal of 12661336 is 63316621.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 496 + ... + 5056.

Almost surely, 2^12661336 is an apocalyptic number.

It is an amenable number.

12661336 is a deficient number, since it is larger than the sum of its proper divisors (11152304).

12661336 is a wasteful number, since it uses less digits than its factorization.

12661336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4914 (or 4910 counting only the distinct ones).

The product of its digits is 3888, while the sum is 28.

The square root of 12661336 is about 3558.2771111874. The cubic root of 12661336 is about 233.0736503280.

Adding to 12661336 its reverse (63316621), we get a palindrome (75977957).

The spelling of 12661336 in words is "twelve million, six hundred sixty-one thousand, three hundred thirty-six".