12717398 has 8 divisors (see below), whose sum is σ = 19091592. Its totient is φ = 6353536.

The previous prime is 12717361. The next prime is 12717407. The reversal of 12717398 is 89371721.

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, 2486 + ... + 5622.

It is an arithmetic number, because the mean of its divisors is an integer number (2386449).

Almost surely, 2^12717398 is an apocalyptic number.

12717398 is a deficient number, since it is larger than the sum of its proper divisors (6374194).

12717398 is a wasteful number, since it uses less digits than its factorization.

12717398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5166.

The product of its digits is 21168, while the sum is 38.

The square root of 12717398 is about 3566.1460990823. The cubic root of 12717398 is about 233.4171458549.

The spelling of 12717398 in words is "twelve million, seven hundred seventeen thousand, three hundred ninety-eight".