12020263 has 4 divisors (see below), whose sum is σ = 12299848. Its totient is φ = 11740680.

The previous prime is 12020249. The next prime is 12020299. The reversal of 12020263 is 36202021.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12020263 - 2⁵ = 12020231 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12020363) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 139728 + ... + 139813.

It is an arithmetic number, because the mean of its divisors is an integer number (3074962).

Almost surely, 2^12020263 is an apocalyptic number.

12020263 is a deficient number, since it is larger than the sum of its proper divisors (279585).

12020263 is an equidigital number, since it uses as much as digits as its factorization.

12020263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279584.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 12020263 is about 3467.0250936502. The cubic root of 12020263 is about 229.0716390727.

Adding to 12020263 its reverse (36202021), we get a palindrome (48222284).

The spelling of 12020263 in words is "twelve million, twenty thousand, two hundred sixty-three".