13273072556 has 6 divisors (see below), whose sum is σ = 23227876980. Its totient is φ = 6636536276.

The previous prime is 13273072537. The next prime is 13273072597. The reversal of 13273072556 is 65527037231.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1659134066 + ... + 1659134073.

It is an arithmetic number, because the mean of its divisors is an integer number (3871312830).

Almost surely, 2^13273072556 is an apocalyptic number.

It is an amenable number.

13273072556 is a deficient number, since it is larger than the sum of its proper divisors (9954804424).

13273072556 is a wasteful number, since it uses less digits than its factorization.

13273072556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3318268143 (or 3318268141 counting only the distinct ones).

The product of its (nonzero) digits is 264600, while the sum is 41.

The spelling of 13273072556 in words is "thirteen billion, two hundred seventy-three million, seventy-two thousand, five hundred fifty-six".