12391714 has 8 divisors (see below), whose sum is σ = 18632988. Its totient is φ = 6180720.

The previous prime is 12391699. The next prime is 12391727. The reversal of 12391714 is 41719321.

It can be written as a sum of positive squares in 2 ways, for example, as 9815689 + 2576025 = 3133^2 + 1605^2 .

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

It is a super-3 number, since 3×12391714³ (a number of 22 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6517 + ... + 8200.

Almost surely, 2^12391714 is an apocalyptic number.

12391714 is a deficient number, since it is larger than the sum of its proper divisors (6241274).

12391714 is a wasteful number, since it uses less digits than its factorization.

12391714 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15140.

The product of its digits is 1512, while the sum is 28.

The square root of 12391714 is about 3520.1866427790. The cubic root of 12391714 is about 231.4073383601.

The spelling of 12391714 in words is "twelve million, three hundred ninety-one thousand, seven hundred fourteen".