12803261860 has 24 divisors (see below), whose sum is σ = 26922212856. Its totient is φ = 5114568960.

The previous prime is 12803261827. The next prime is 12803261941. The reversal of 12803261860 is 6816230821.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1326853476 + 11476408384 = 36426^2 + 107128^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 405387 + ... + 435826.

It is an arithmetic number, because the mean of its divisors is an integer number (1121758869).

Almost surely, 2^12803261860 is an apocalyptic number.

12803261860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12803261860 is an abundant number, since it is smaller than the sum of its proper divisors (14118950996).

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

12803261860 is a wasteful number, since it uses less digits than its factorization.

12803261860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 841983 (or 841981 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 37.

The spelling of 12803261860 in words is "twelve billion, eight hundred three million, two hundred sixty-one thousand, eight hundred sixty".