12943479806 has 16 divisors (see below), whose sum is σ = 19465488000. Its totient is φ = 6454999320.

The previous prime is 12943479761. The next prime is 12943479811. The reversal of 12943479806 is 60897434921.

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, 3434135 + ... + 3437901.

It is an arithmetic number, because the mean of its divisors is an integer number (1216593000).

Almost surely, 2^12943479806 is an apocalyptic number.

12943479806 is a deficient number, since it is larger than the sum of its proper divisors (6522008194).

12943479806 is a wasteful number, since it uses less digits than its factorization.

12943479806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7759.

The product of its (nonzero) digits is 2612736, while the sum is 53.

The spelling of 12943479806 in words is "twelve billion, nine hundred forty-three million, four hundred seventy-nine thousand, eight hundred six".