12125895 has 32 divisors (see below), whose sum is σ = 20628480. Its totient is φ = 6065280.

The previous prime is 12125891. The next prime is 12125909. The reversal of 12125895 is 59852121.

12125895 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12125895 - 2² = 12125891 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12125891) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 44610 + ... + 44880.

It is an arithmetic number, because the mean of its divisors is an integer number (644640).

Almost surely, 2^12125895 is an apocalyptic number.

12125895 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12125895 is a deficient number, since it is larger than the sum of its proper divisors (8502585).

12125895 is a wasteful number, since it uses less digits than its factorization.

12125895 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 455.

The product of its digits is 7200, while the sum is 33.

The square root of 12125895 is about 3482.2255814350. The cubic root of 12125895 is about 229.7406970586.

The spelling of 12125895 in words is "twelve million, one hundred twenty-five thousand, eight hundred ninety-five".