12125699 has 4 divisors (see below), whose sum is σ = 12407736. Its totient is φ = 11843664.

The previous prime is 12125689. The next prime is 12125723. The reversal of 12125699 is 99652121.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12125699 - 2¹⁶ = 12060163 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12125609) 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, 140954 + ... + 141039.

It is an arithmetic number, because the mean of its divisors is an integer number (3101934).

Almost surely, 2^12125699 is an apocalyptic number.

12125699 is a deficient number, since it is larger than the sum of its proper divisors (282037).

12125699 is an equidigital number, since it uses as much as digits as its factorization.

12125699 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282036.

The product of its digits is 9720, while the sum is 35.

The square root of 12125699 is about 3482.1974384001. The cubic root of 12125699 is about 229.7394592278.

The spelling of 12125699 in words is "twelve million, one hundred twenty-five thousand, six hundred ninety-nine".