12654536803 has 6 divisors (see below), whose sum is σ = 12865392852. Its totient is φ = 12447081720.

The previous prime is 12654536777. The next prime is 12654536813. The reversal of 12654536803 is 30863545621.

It is not a de Polignac number, because 12654536803 - 2⁵ = 12654536771 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12654536803.

It is not an unprimeable number, because it can be changed into a prime (12654536813) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1696701 + ... + 1704142.

It is an arithmetic number, because the mean of its divisors is an integer number (2144232142).

Almost surely, 2^12654536803 is an apocalyptic number.

12654536803 is a deficient number, since it is larger than the sum of its proper divisors (210856049).

12654536803 is an frugal number, since it uses more digits than its factorization.

12654536803 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3400965 (or 3400904 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 43.

The spelling of 12654536803 in words is "twelve billion, six hundred fifty-four million, five hundred thirty-six thousand, eight hundred three".