12740639162 has 16 divisors (see below), whose sum is σ = 19830837312. Its totient is φ = 6134533440.

The previous prime is 12740639143. The next prime is 12740639173. The reversal of 12740639162 is 26193604721.

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, 1037183 + ... + 1049394.

It is an arithmetic number, because the mean of its divisors is an integer number (1239427332).

Almost surely, 2^12740639162 is an apocalyptic number.

12740639162 is a deficient number, since it is larger than the sum of its proper divisors (7090198150).

12740639162 is a wasteful number, since it uses less digits than its factorization.

12740639162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2086693.

The product of its (nonzero) digits is 108864, while the sum is 41.

The spelling of 12740639162 in words is "twelve billion, seven hundred forty million, six hundred thirty-nine thousand, one hundred sixty-two".