12020875 has 8 divisors (see below), whose sum is σ = 15002208. Its totient is φ = 9616600.

The previous prime is 12020851. The next prime is 12020903. The reversal of 12020875 is 57802021.

It is not a de Polignac number, because 12020875 - 2⁹ = 12020363 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47959 + ... + 48208.

It is an arithmetic number, because the mean of its divisors is an integer number (1875276).

Almost surely, 2^12020875 is an apocalyptic number.

12020875 is a deficient number, since it is larger than the sum of its proper divisors (2981333).

12020875 is an frugal number, since it uses more digits than its factorization.

12020875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96182 (or 96172 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 25.

The square root of 12020875 is about 3467.1133526321. The cubic root of 12020875 is about 229.0755266600.

Adding to 12020875 its reverse (57802021), we get a palindrome (69822896).

The spelling of 12020875 in words is "twelve million, twenty thousand, eight hundred seventy-five".