13257327 has 4 divisors (see below), whose sum is σ = 17676440. Its totient is φ = 8838216.

The previous prime is 13257323. The next prime is 13257329. The reversal of 13257327 is 72375231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 72375231 = 3 ⋅24125077.

It is not a de Polignac number, because 13257327 - 2² = 13257323 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13257294 and 13257303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13257323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2209552 + ... + 2209557.

It is an arithmetic number, because the mean of its divisors is an integer number (4419110).

Almost surely, 2^13257327 is an apocalyptic number.

13257327 is a deficient number, since it is larger than the sum of its proper divisors (4419113).

13257327 is an equidigital number, since it uses as much as digits as its factorization.

13257327 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4419112.

The product of its digits is 8820, while the sum is 30.

The square root of 13257327 is about 3641.0612463951. The cubic root of 13257327 is about 236.6747840457.

The spelling of 13257327 in words is "thirteen million, two hundred fifty-seven thousand, three hundred twenty-seven".