12651338 has 16 divisors (see below), whose sum is σ = 21986880. Its totient is φ = 5347296.

The previous prime is 12651323. The next prime is 12651371. The reversal of 12651338 is 83315621.

It is a self number, because there is not a number n which added to its sum of digits gives 12651338.

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, 5168 + ... + 7211.

It is an arithmetic number, because the mean of its divisors is an integer number (1374180).

Almost surely, 2^12651338 is an apocalyptic number.

12651338 is a deficient number, since it is larger than the sum of its proper divisors (9335542).

12651338 is a wasteful number, since it uses less digits than its factorization.

12651338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12461.

The product of its digits is 4320, while the sum is 29.

The square root of 12651338 is about 3556.8719403431. The cubic root of 12651338 is about 233.0122854507.

Adding to 12651338 its reverse (83315621), we get a palindrome (95966959).

The spelling of 12651338 in words is "twelve million, six hundred fifty-one thousand, three hundred thirty-eight".