12008738 has 16 divisors (see below), whose sum is σ = 20632320. Its totient is φ = 5135136.

The previous prime is 12008729. The next prime is 12008771. The reversal of 12008738 is 83780021.

It is a self number, because there is not a number n which added to its sum of digits gives 12008738.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9470 + ... + 10662.

It is an arithmetic number, because the mean of its divisors is an integer number (1289520).

Almost surely, 2^12008738 is an apocalyptic number.

12008738 is a deficient number, since it is larger than the sum of its proper divisors (8623582).

12008738 is a wasteful number, since it uses less digits than its factorization.

12008738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1921.

The product of its (nonzero) digits is 2688, while the sum is 29.

The square root of 12008738 is about 3465.3626072895. The cubic root of 12008738 is about 228.9984045451.

Adding to 12008738 its reverse (83780021), we get a palindrome (95788759).

The spelling of 12008738 in words is "twelve million, eight thousand, seven hundred thirty-eight".