12198725 has 24 divisors (see below), whose sum is σ = 18861888. Its totient is φ = 7603200.

The previous prime is 12198691. The next prime is 12198751. The reversal of 12198725 is 52789121.

It is not a de Polignac number, because 12198725 - 2¹⁰ = 12197701 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 1244 + ... + 5093.

It is an arithmetic number, because the mean of its divisors is an integer number (785912).

Almost surely, 2^12198725 is an apocalyptic number.

It is an amenable number.

12198725 is a deficient number, since it is larger than the sum of its proper divisors (6663163).

12198725 is a wasteful number, since it uses less digits than its factorization.

12198725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6365 (or 6360 counting only the distinct ones).

The product of its digits is 10080, while the sum is 35.

The square root of 12198725 is about 3492.6673188267. The cubic root of 12198725 is about 230.1997319846.

The spelling of 12198725 in words is "twelve million, one hundred ninety-eight thousand, seven hundred twenty-five".