12718994 has 8 divisors (see below), whose sum is σ = 19736460. Its totient is φ = 6140176.

The previous prime is 12718969. The next prime is 12719017. The reversal of 12718994 is 49981721.

It can be written as a sum of positive squares in 2 ways, for example, as 12694969 + 24025 = 3563^2 + 155^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 109589 + ... + 109704.

Almost surely, 2^12718994 is an apocalyptic number.

12718994 is a deficient number, since it is larger than the sum of its proper divisors (7017466).

12718994 is a wasteful number, since it uses less digits than its factorization.

12718994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219324.

The product of its digits is 36288, while the sum is 41.

The square root of 12718994 is about 3566.3698630400. The cubic root of 12718994 is about 233.4269098591.

The spelling of 12718994 in words is "twelve million, seven hundred eighteen thousand, nine hundred ninety-four".