12965711 has 4 divisors (see below), whose sum is σ = 14144424. Its totient is φ = 11787000.

The previous prime is 12965707. The next prime is 12965723. The reversal of 12965711 is 11756921.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11756921 = 11 ⋅1068811.

It is a cyclic number.

It is not a de Polignac number, because 12965711 - 2² = 12965707 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 (12965731) 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, 589340 + ... + 589361.

It is an arithmetic number, because the mean of its divisors is an integer number (3536106).

Almost surely, 2^12965711 is an apocalyptic number.

12965711 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12965711 is a deficient number, since it is larger than the sum of its proper divisors (1178713).

12965711 is a wasteful number, since it uses less digits than its factorization.

12965711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1178712.

The product of its digits is 3780, while the sum is 32.

The square root of 12965711 is about 3600.7931070807. The cubic root of 12965711 is about 234.9265561951.

It can be divided in two parts, 1296 and 5711, that added together give a palindrome (7007).

The spelling of 12965711 in words is "twelve million, nine hundred sixty-five thousand, seven hundred eleven".