12020925 has 36 divisors (see below), whose sum is σ = 23126496. Its totient is φ = 5493600.

The previous prime is 12020917. The next prime is 12020929. The reversal of 12020925 is 52902021.

It is not a de Polignac number, because 12020925 - 2³ = 12020917 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12020929) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 2040 + ... + 5310.

Almost surely, 2^12020925 is an apocalyptic number.

12020925 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12020925 is a deficient number, since it is larger than the sum of its proper divisors (11105571).

12020925 is a wasteful number, since it uses less digits than its factorization.

12020925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3298 (or 3286 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 12020925 is about 3467.1205632340. The cubic root of 12020925 is about 229.0758442675.

Adding to 12020925 its reverse (52902021), we get a palindrome (64922946).

The spelling of 12020925 in words is "twelve million, twenty thousand, nine hundred twenty-five".