12020276 has 12 divisors (see below), whose sum is σ = 21059808. Its totient is φ = 6003192.

The previous prime is 12020249. The next prime is 12020299. The reversal of 12020276 is 67202021.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5585 + ... + 7431.

It is an arithmetic number, because the mean of its divisors is an integer number (1754984).

Almost surely, 2^12020276 is an apocalyptic number.

It is an amenable number.

12020276 is a deficient number, since it is larger than the sum of its proper divisors (9039532).

12020276 is a wasteful number, since it uses less digits than its factorization.

12020276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3478 (or 3476 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 12020276 is about 3467.0269684558. The cubic root of 12020276 is about 229.0717216536.

Adding to 12020276 its reverse (67202021), we get a palindrome (79222297).

The spelling of 12020276 in words is "twelve million, twenty thousand, two hundred seventy-six".