12927367840 has 96 divisors (see below), whose sum is σ = 31419239040. Its totient is φ = 5022710784.

The previous prime is 12927367829. The next prime is 12927367847. The reversal of 12927367840 is 4876372921.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (12927367847) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4397091 + ... + 4400029.

It is an arithmetic number, because the mean of its divisors is an integer number (327283740).

Almost surely, 2^12927367840 is an apocalyptic number.

12927367840 is a gapful number since it is divisible by the number (10) 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 12927367840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15709619520).

12927367840 is an abundant number, since it is smaller than the sum of its proper divisors (18491871200).

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

12927367840 is a wasteful number, since it uses less digits than its factorization.

12927367840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3734 (or 3726 counting only the distinct ones).

The product of its (nonzero) digits is 1016064, while the sum is 49.

The spelling of 12927367840 in words is "twelve billion, nine hundred twenty-seven million, three hundred sixty-seven thousand, eight hundred forty".