12911707 has 4 divisors (see below), whose sum is σ = 12968320. Its totient is φ = 12855096.

The previous prime is 12911683. The next prime is 12911711. The reversal of 12911707 is 70711921.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12911707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12911777) 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, 27963 + ... + 28420.

It is an arithmetic number, because the mean of its divisors is an integer number (3242080).

Almost surely, 2^12911707 is an apocalyptic number.

12911707 is a deficient number, since it is larger than the sum of its proper divisors (56613).

12911707 is an equidigital number, since it uses as much as digits as its factorization.

12911707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56612.

The product of its (nonzero) digits is 882, while the sum is 28.

The square root of 12911707 is about 3593.2863787903. The cubic root of 12911707 is about 234.5999349772.

The spelling of 12911707 in words is "twelve million, nine hundred eleven thousand, seven hundred seven".