12872435814 has 64 divisors (see below), whose sum is σ = 32722444800. Its totient is φ = 3674402784.

The previous prime is 12872435777. The next prime is 12872435857. The reversal of 12872435814 is 41853427821.

12872435814 is a `hidden beast` number, since 1 + 28 + 7 + 2 + 43 + 581 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 12872435814.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 403849 + ... + 434555.

It is an arithmetic number, because the mean of its divisors is an integer number (511288200).

Almost surely, 2^12872435814 is an apocalyptic number.

12872435814 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

12872435814 is an abundant number, since it is smaller than the sum of its proper divisors (19850008986).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12872435814 is a wasteful number, since it uses less digits than its factorization.

12872435814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31834 (or 31828 counting only the distinct ones).

The product of its digits is 430080, while the sum is 45.

The spelling of 12872435814 in words is "twelve billion, eight hundred seventy-two million, four hundred thirty-five thousand, eight hundred fourteen".