12707863854 has 64 divisors (see below), whose sum is σ = 29690468352. Its totient is φ = 3550464000.

The previous prime is 12707863853. The next prime is 12707863891. The reversal of 12707863854 is 45836870721.

It is a super-2 number, since 2×12707863854² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12707863797 and 12707863806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12707863853) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3158364 + ... + 3162384.

It is an arithmetic number, because the mean of its divisors is an integer number (463913568).

Almost surely, 2^12707863854 is an apocalyptic number.

12707863854 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12707863854, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14845234176).

12707863854 is an abundant number, since it is smaller than the sum of its proper divisors (16982604498).

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

12707863854 is a wasteful number, since it uses less digits than its factorization.

12707863854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5681.

The product of its (nonzero) digits is 2257920, while the sum is 51.

The spelling of 12707863854 in words is "twelve billion, seven hundred seven million, eight hundred sixty-three thousand, eight hundred fifty-four".