12711319 has 4 divisors (see below), whose sum is σ = 12767544. Its totient is φ = 12655096.

The previous prime is 12711287. The next prime is 12711329. The reversal of 12711319 is 91311721.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 91311721 = 7963 ⋅11467.

It is a cyclic number.

It is not a de Polignac number, because 12711319 - 2⁵ = 12711287 is a prime.

It is a super-2 number, since 2×12711319² = 323155261439522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12711293 and 12711302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12711329) 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, 27772 + ... + 28225.

It is an arithmetic number, because the mean of its divisors is an integer number (3191886).

Almost surely, 2^12711319 is an apocalyptic number.

12711319 is a deficient number, since it is larger than the sum of its proper divisors (56225).

12711319 is an equidigital number, since it uses as much as digits as its factorization.

12711319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56224.

The product of its digits is 378, while the sum is 25.

The square root of 12711319 is about 3565.2936765434. The cubic root of 12711319 is about 233.3799482831.

The spelling of 12711319 in words is "twelve million, seven hundred eleven thousand, three hundred nineteen".