12965878548 has 192 divisors, whose sum is σ = 38997504000. Its totient is φ = 3649027968.

The previous prime is 12965878543. The next prime is 12965878567. The reversal of 12965878548 is 84587856921.

12965878548 is a `hidden beast` number, since 1 + 2 + 9 + 6 + 5 + 87 + 8 + 548 = 666.

It is a super-2 number, since 2×12965878548² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12965878543) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 20946183 + ... + 20946801.

It is an arithmetic number, because the mean of its divisors is an integer number (203112000).

Almost surely, 2^12965878548 is an apocalyptic number.

12965878548 is a gapful number since it is divisible by the number (18) 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 12965878548, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19498752000).

12965878548 is an abundant number, since it is smaller than the sum of its proper divisors (26031625452).

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

12965878548 is a wasteful number, since it uses less digits than its factorization.

12965878548 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1011 (or 1003 counting only the distinct ones).

The product of its digits is 38707200, while the sum is 63.

The spelling of 12965878548 in words is "twelve billion, nine hundred sixty-five million, eight hundred seventy-eight thousand, five hundred forty-eight".