13256967303 has 12 divisors (see below), whose sum is σ = 19858173608. Its totient is φ = 8837978040.

The previous prime is 13256967301. The next prime is 13256967343. The reversal of 13256967303 is 30376965231.

13256967303 is a `hidden beast` number, since 1 + 3 + 256 + 96 + 7 + 303 = 666.

It is not a de Polignac number, because 13256967303 - 2¹ = 13256967301 is a prime.

It is a super-3 number, since 3×13256967303³ (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13256967301) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27277468 + ... + 27277953.

Almost surely, 2^13256967303 is an apocalyptic number.

13256967303 is a deficient number, since it is larger than the sum of its proper divisors (6601206305).

13256967303 is an frugal number, since it uses more digits than its factorization.

13256967303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54555436 (or 54555424 counting only the distinct ones).

The product of its (nonzero) digits is 612360, while the sum is 45.

The spelling of 13256967303 in words is "thirteen billion, two hundred fifty-six million, nine hundred sixty-seven thousand, three hundred three".