12117698 has 8 divisors (see below), whose sum is σ = 18271308. Its totient is φ = 6027264.

The previous prime is 12117697. The next prime is 12117709. The reversal of 12117698 is 89671121.

12117698 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 11580409 + 537289 = 3403^2 + 733^2 .

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

It is not an unprimeable number, because it can be changed into a prime (12117697) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15311 + ... + 16082.

Almost surely, 2^12117698 is an apocalyptic number.

12117698 is a deficient number, since it is larger than the sum of its proper divisors (6153610).

12117698 is a wasteful number, since it uses less digits than its factorization.

12117698 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31588.

The product of its digits is 6048, while the sum is 35.

The square root of 12117698 is about 3481.0484052940. The cubic root of 12117698 is about 229.6889178156.

The spelling of 12117698 in words is "twelve million, one hundred seventeen thousand, six hundred ninety-eight".