12718345 has 8 divisors (see below), whose sum is σ = 15312960. Its totient is φ = 10140720.

The previous prime is 12718319. The next prime is 12718351. The reversal of 12718345 is 54381721.

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

It is not a de Polignac number, because 12718345 - 2⁵ = 12718313 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2535 + ... + 5644.

It is an arithmetic number, because the mean of its divisors is an integer number (1914120).

Almost surely, 2^12718345 is an apocalyptic number.

It is an amenable number.

12718345 is a deficient number, since it is larger than the sum of its proper divisors (2594615).

12718345 is an equidigital number, since it uses as much as digits as its factorization.

12718345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8495.

The product of its digits is 6720, while the sum is 31.

The square root of 12718345 is about 3566.2788729991. The cubic root of 12718345 is about 233.4229395074.

The spelling of 12718345 in words is "twelve million, seven hundred eighteen thousand, three hundred forty-five".