12788470694 has 16 divisors (see below), whose sum is σ = 20363335200. Its totient is φ = 6002626944.

The previous prime is 12788470661. The next prime is 12788470727. The reversal of 12788470694 is 49607488721.

It is an interprime number because it is at equal distance from previous prime (12788470661) and next prime (12788470727).

It is a Curzon number.

It is a congruent number.

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, 470234 + ... + 496685.

It is an arithmetic number, because the mean of its divisors is an integer number (1272708450).

Almost surely, 2^12788470694 is an apocalyptic number.

12788470694 is a deficient number, since it is larger than the sum of its proper divisors (7574864506).

12788470694 is a wasteful number, since it uses less digits than its factorization.

12788470694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 967327.

The product of its (nonzero) digits is 5419008, while the sum is 56.

The spelling of 12788470694 in words is "twelve billion, seven hundred eighty-eight million, four hundred seventy thousand, six hundred ninety-four".