12978296604 has 576 divisors, whose sum is σ = 45512046720. Its totient is φ = 3197988864.

The previous prime is 12978296531. The next prime is 12978296623. The reversal of 12978296604 is 40669287921.

12978296604 is a `hidden beast` number, since 1 + 2 + 9 + 7 + 8 + 29 + 6 + 604 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 94732024 + ... + 94732160.

It is an arithmetic number, because the mean of its divisors is an integer number (79013970).

Almost surely, 2^12978296604 is an apocalyptic number.

12978296604 is a gapful number since it is divisible by the number (14) 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 12978296604, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22756023360).

12978296604 is an abundant number, since it is smaller than the sum of its proper divisors (32533750116).

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

12978296604 is a wasteful number, since it uses less digits than its factorization.

12978296604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206 (or 179 counting only the distinct ones).

The product of its (nonzero) digits is 2612736, while the sum is 54.

The spelling of 12978296604 in words is "twelve billion, nine hundred seventy-eight million, two hundred ninety-six thousand, six hundred four".