12396038906 has 16 divisors (see below), whose sum is σ = 18758226240. Its totient is φ = 6143520480.

The previous prime is 12396038873. The next prime is 12396038929. The reversal of 12396038906 is 60983069321.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55670 + ... + 167006.

It is an arithmetic number, because the mean of its divisors is an integer number (1172389140).

Almost surely, 2^12396038906 is an apocalyptic number.

It is a pronic number, being equal to 111337×111338.

12396038906 is a deficient number, since it is larger than the sum of its proper divisors (6362187334).

12396038906 is a wasteful number, since it uses less digits than its factorization.

12396038906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111829.

The product of its (nonzero) digits is 419904, while the sum is 47.

The spelling of 12396038906 in words is "twelve billion, three hundred ninety-six million, thirty-eight thousand, nine hundred six".