12125707 has 4 divisors (see below), whose sum is σ = 13228056. Its totient is φ = 11023360.

The previous prime is 12125689. The next prime is 12125723. The reversal of 12125707 is 70752121.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 70752121 = 11 ⋅6432011.

It is a cyclic number.

It is not a de Polignac number, because 12125707 - 2¹⁵ = 12092939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12125767) 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, 551158 + ... + 551179.

It is an arithmetic number, because the mean of its divisors is an integer number (3307014).

Almost surely, 2^12125707 is an apocalyptic number.

12125707 is a deficient number, since it is larger than the sum of its proper divisors (1102349).

12125707 is a wasteful number, since it uses less digits than its factorization.

12125707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1102348.

The product of its (nonzero) digits is 980, while the sum is 25.

The square root of 12125707 is about 3482.1985870998. The cubic root of 12125707 is about 229.7395097518.

Adding to 12125707 its reverse (70752121), we get a palindrome (82877828).

The spelling of 12125707 in words is "twelve million, one hundred twenty-five thousand, seven hundred seven".