12716438 has 8 divisors (see below), whose sum is σ = 21799632. Its totient is φ = 5449896.

The previous prime is 12716423. The next prime is 12716467. The reversal of 12716438 is 83461721.

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

It is a Curzon number.

It is a congruent number.

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, 454145 + ... + 454172.

It is an arithmetic number, because the mean of its divisors is an integer number (2724954).

Almost surely, 2^12716438 is an apocalyptic number.

12716438 is a deficient number, since it is larger than the sum of its proper divisors (9083194).

12716438 is an equidigital number, since it uses as much as digits as its factorization.

12716438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 908326.

The product of its digits is 8064, while the sum is 32.

The square root of 12716438 is about 3566.0114974576. The cubic root of 12716438 is about 233.4112723763.

The spelling of 12716438 in words is "twelve million, seven hundred sixteen thousand, four hundred thirty-eight".