12968311 has 4 divisors (see below), whose sum is σ = 12992824. Its totient is φ = 12943800.

The previous prime is 12968303. The next prime is 12968321. The reversal of 12968311 is 11386921.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12968311 - 2³ = 12968303 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12968321) 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, 11445 + ... + 12526.

It is an arithmetic number, because the mean of its divisors is an integer number (3248206).

Almost surely, 2^12968311 is an apocalyptic number.

12968311 is a deficient number, since it is larger than the sum of its proper divisors (24513).

12968311 is an equidigital number, since it uses as much as digits as its factorization.

12968311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24512.

The product of its digits is 2592, while the sum is 31.

The square root of 12968311 is about 3601.1541205564. The cubic root of 12968311 is about 234.9422583350.

The spelling of 12968311 in words is "twelve million, nine hundred sixty-eight thousand, three hundred eleven".