12395939776 has 112 divisors (see below), whose sum is σ = 28757514240. Its totient is φ = 5238763520.

The previous prime is 12395939719. The next prime is 12395939783. The reversal of 12395939776 is 67793959321.

It is a super-4 number, since 4×12395939776⁴ (a number of 41 digits) contains 4444 as substring.

It is a congruent number.

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, 987105 + ... + 999583.

It is an arithmetic number, because the mean of its divisors is an integer number (256763520).

Almost surely, 2^12395939776 is an apocalyptic number.

12395939776 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12395939776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14378757120).

12395939776 is an abundant number, since it is smaller than the sum of its proper divisors (16361574464).

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

12395939776 is a wasteful number, since it uses less digits than its factorization.

12395939776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12602 (or 12592 counting only the distinct ones).

The product of its digits is 19289340, while the sum is 61.

The spelling of 12395939776 in words is "twelve billion, three hundred ninety-five million, nine hundred thirty-nine thousand, seven hundred seventy-six".