12803528578 has 16 divisors (see below), whose sum is σ = 19578960000. Its totient is φ = 6278296752.

The previous prime is 12803528567. The next prime is 12803528579. The reversal of 12803528578 is 87582530821.

It is not an unprimeable number, because it can be changed into a prime (12803528579) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 248388 + ... + 295471.

It is an arithmetic number, because the mean of its divisors is an integer number (1223685000).

Almost surely, 2^12803528578 is an apocalyptic number.

12803528578 is a deficient number, since it is larger than the sum of its proper divisors (6775431422).

12803528578 is a wasteful number, since it uses less digits than its factorization.

12803528578 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 544089.

The product of its (nonzero) digits is 1075200, while the sum is 49.

The spelling of 12803528578 in words is "twelve billion, eight hundred three million, five hundred twenty-eight thousand, five hundred seventy-eight".