12706918 has 8 divisors (see below), whose sum is σ = 21783312. Its totient is φ = 5445816.

The previous prime is 12706847. The next prime is 12706937. The reversal of 12706918 is 81960721.

It is a happy number.

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

It is a super-2 number, since 2×12706918² = 322931530117448, which contains 22 as substring.

It is a congruent number.

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, 453805 + ... + 453832.

It is an arithmetic number, because the mean of its divisors is an integer number (2722914).

Almost surely, 2^12706918 is an apocalyptic number.

12706918 is a deficient number, since it is larger than the sum of its proper divisors (9076394).

12706918 is an equidigital number, since it uses as much as digits as its factorization.

12706918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 907646.

The product of its (nonzero) digits is 6048, while the sum is 34.

The square root of 12706918 is about 3564.6764229029. The cubic root of 12706918 is about 233.3530110389.

The spelling of 12706918 in words is "twelve million, seven hundred six thousand, nine hundred eighteen".