12878800705 has 16 divisors (see below), whose sum is σ = 15534737280. Its totient is φ = 10249695232.

The previous prime is 12878800691. The next prime is 12878800729. The reversal of 12878800705 is 50700887821.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 12878800705 - 2¹⁹ = 12878276417 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1056636 + ... + 1068754.

It is an arithmetic number, because the mean of its divisors is an integer number (970921080).

Almost surely, 2^12878800705 is an apocalyptic number.

It is an amenable number.

12878800705 is a deficient number, since it is larger than the sum of its proper divisors (2655936575).

12878800705 is a wasteful number, since it uses less digits than its factorization.

12878800705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13208.

The product of its (nonzero) digits is 250880, while the sum is 46.

The spelling of 12878800705 in words is "twelve billion, eight hundred seventy-eight million, eight hundred thousand, seven hundred five".