12991714 has 8 divisors (see below), whose sum is σ = 19551168. Its totient is φ = 6474660.

The previous prime is 12991703. The next prime is 12991717. The reversal of 12991714 is 41719921.

12991714 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 12991714.

It is not an unprimeable number, because it can be changed into a prime (12991717) 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, 9822 + ... + 11065.

It is an arithmetic number, because the mean of its divisors is an integer number (2443896).

Almost surely, 2^12991714 is an apocalyptic number.

12991714 is a deficient number, since it is larger than the sum of its proper divisors (6559454).

12991714 is a wasteful number, since it uses less digits than its factorization.

12991714 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21200.

The product of its digits is 4536, while the sum is 34.

The square root of 12991714 is about 3604.4020308506. The cubic root of 12991714 is about 235.0835013359.

The spelling of 12991714 in words is "twelve million, nine hundred ninety-one thousand, seven hundred fourteen".