12911698 has 8 divisors (see below), whose sum is σ = 19389708. Its totient is φ = 6448464.

The previous prime is 12911683. The next prime is 12911711. The reversal of 12911698 is 89611921.

It can be written as a sum of positive squares in 2 ways, for example, as 12439729 + 471969 = 3527^2 + 687^2 .

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, 1161 + ... + 5212.

Almost surely, 2^12911698 is an apocalyptic number.

12911698 is a deficient number, since it is larger than the sum of its proper divisors (6478010).

12911698 is a wasteful number, since it uses less digits than its factorization.

12911698 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7388.

The product of its digits is 7776, while the sum is 37.

The square root of 12911698 is about 3593.2851264546. The cubic root of 12911698 is about 234.5998804686.

The spelling of 12911698 in words is "twelve million, nine hundred eleven thousand, six hundred ninety-eight".