12131699 has 8 divisors (see below), whose sum is σ = 12371040. Its totient is φ = 11894400.

The previous prime is 12131689. The next prime is 12131701. The reversal of 12131699 is 99613121.

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

It is a cyclic number.

It is not a de Polignac number, because 12131699 - 2⁴ = 12131683 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12131629) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16757 + ... + 17465.

It is an arithmetic number, because the mean of its divisors is an integer number (1546380).

Almost surely, 2^12131699 is an apocalyptic number.

12131699 is a deficient number, since it is larger than the sum of its proper divisors (239341).

12131699 is an equidigital number, since it uses as much as digits as its factorization.

12131699 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1021.

The product of its digits is 2916, while the sum is 32.

The square root of 12131699 is about 3483.0588568096. The cubic root of 12131699 is about 229.7773459635. Note that the first 3 decimals are identical.

The spelling of 12131699 in words is "twelve million, one hundred thirty-one thousand, six hundred ninety-nine".