13056772773 has 48 divisors (see below), whose sum is σ = 20419394240. Its totient is φ = 7393731840.

The previous prime is 13056772753. The next prime is 13056772783. The reversal of 13056772773 is 37727765031.

It is a happy number.

It is not a de Polignac number, because 13056772773 - 2⁶ = 13056772709 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13056772753) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 490515 + ... + 516447.

Almost surely, 2^13056772773 is an apocalyptic number.

It is an amenable number.

13056772773 is a deficient number, since it is larger than the sum of its proper divisors (7362621467).

13056772773 is a wasteful number, since it uses less digits than its factorization.

13056772773 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26050 (or 26039 counting only the distinct ones).

The product of its (nonzero) digits is 1296540, while the sum is 48.

The spelling of 13056772773 in words is "thirteen billion, fifty-six million, seven hundred seventy-two thousand, seven hundred seventy-three".