11897698 has 8 divisors (see below), whose sum is σ = 18047340. Its totient is φ = 5881920.

The previous prime is 11897687. The next prime is 11897701. The reversal of 11897698 is 89679811.

11897698 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 11135569 + 762129 = 3337^2 + 873^2 .

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, 33243 + ... + 33598.

Almost surely, 2^11897698 is an apocalyptic number.

11897698 is a deficient number, since it is larger than the sum of its proper divisors (6149642).

11897698 is an equidigital number, since it uses as much as digits as its factorization.

11897698 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66932.

The product of its digits is 217728, while the sum is 49.

The square root of 11897698 is about 3449.3039877633. The cubic root of 11897698 is about 228.2903989224.

The spelling of 11897698 in words is "eleven million, eight hundred ninety-seven thousand, six hundred ninety-eight".