13056400273 has 4 divisors (see below), whose sum is σ = 14921600320. Its totient is φ = 11191200228.

The previous prime is 13056400223. The next prime is 13056400319. The reversal of 13056400273 is 37200465031.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13056400273 - 2¹⁷ = 13056269201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13056400223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 932600013 + ... + 932600026.

It is an arithmetic number, because the mean of its divisors is an integer number (3730400080).

Almost surely, 2^13056400273 is an apocalyptic number.

It is an amenable number.

13056400273 is a deficient number, since it is larger than the sum of its proper divisors (1865200047).

13056400273 is an equidigital number, since it uses as much as digits as its factorization.

13056400273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1865200046.

The product of its (nonzero) digits is 15120, while the sum is 31.

The spelling of 13056400273 in words is "thirteen billion, fifty-six million, four hundred thousand, two hundred seventy-three".