12125705 has 16 divisors (see below), whose sum is σ = 15470400. Its totient is φ = 9097920.

The previous prime is 12125689. The next prime is 12125723. The reversal of 12125705 is 50752121.

It is a happy number.

It is not a de Polignac number, because 12125705 - 2⁴ = 12125689 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9770 + ... + 10940.

It is an arithmetic number, because the mean of its divisors is an integer number (966900).

Almost surely, 2^12125705 is an apocalyptic number.

It is an amenable number.

12125705 is a deficient number, since it is larger than the sum of its proper divisors (3344695).

12125705 is a wasteful number, since it uses less digits than its factorization.

12125705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1304.

The product of its (nonzero) digits is 700, while the sum is 23.

The square root of 12125705 is about 3482.1982999249. The cubic root of 12125705 is about 229.7394971208.

Adding to 12125705 its reverse (50752121), we get a palindrome (62877826).

The spelling of 12125705 in words is "twelve million, one hundred twenty-five thousand, seven hundred five".