12627004578 has 32 divisors (see below), whose sum is σ = 25947523584. Its totient is φ = 4093512192.

The previous prime is 12627004543. The next prime is 12627004589. The reversal of 12627004578 is 87540072621.

It is a super-2 number, since 2×12627004578² (a number of 21 digits) contains 22 as substring.

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, 579151 + ... + 600557.

It is an arithmetic number, because the mean of its divisors is an integer number (810860112).

Almost surely, 2^12627004578 is an apocalyptic number.

12627004578 is an abundant number, since it is smaller than the sum of its proper divisors (13320519006).

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

12627004578 is a wasteful number, since it uses less digits than its factorization.

12627004578 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24106.

The product of its (nonzero) digits is 188160, while the sum is 42.

The spelling of 12627004578 in words is "twelve billion, six hundred twenty-seven million, four thousand, five hundred seventy-eight".