12131698 has 8 divisors (see below), whose sum is σ = 18506160. Its totient is φ = 5962980.

The previous prime is 12131689. The next prime is 12131701. The reversal of 12131698 is 89613121.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51288 + ... + 51523.

It is an arithmetic number, because the mean of its divisors is an integer number (2313270).

Almost surely, 2^12131698 is an apocalyptic number.

12131698 is a deficient number, since it is larger than the sum of its proper divisors (6374462).

12131698 is a wasteful number, since it uses less digits than its factorization.

12131698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102872.

The product of its digits is 2592, while the sum is 31.

The square root of 12131698 is about 3483.0587132576. The cubic root of 12131698 is about 229.7773396501. Note that the first 3 decimals are identical.

The spelling of 12131698 in words is "twelve million, one hundred thirty-one thousand, six hundred ninety-eight".