12099925 has 24 divisors (see below), whose sum is σ = 15681536. Its totient is φ = 9253440.

The previous prime is 12099917. The next prime is 12099929. The reversal of 12099925 is 52999021.

It is not a de Polignac number, because 12099925 - 2³ = 12099917 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12099929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 95212 + ... + 95338.

Almost surely, 2^12099925 is an apocalyptic number.

It is an amenable number.

12099925 is a deficient number, since it is larger than the sum of its proper divisors (3581611).

12099925 is a wasteful number, since it uses less digits than its factorization.

12099925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277 (or 272 counting only the distinct ones).

The product of its (nonzero) digits is 14580, while the sum is 37.

The square root of 12099925 is about 3478.4946456765. The cubic root of 12099925 is about 229.5765681328.

The spelling of 12099925 in words is "twelve million, ninety-nine thousand, nine hundred twenty-five".